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222302012020 = 2251110114896719
BaseRepresentation
bin1100111100001000111…
…0111000001001110100
3210020210121110021120121
43033002032320021310
512120233303341040
6250042451341324
722026564632134
oct3170216701164
9706717407517
10222302012020
11863067659a0
12371005b1844
1317c698c49aa
14aa8bddaac4
155bb135cc4a
hex33c23b8274

222302012020 has 96 divisors (see below), whose sum is σ = 514738022400. Its totient is φ = 79971072000.

The previous prime is 222302012017. The next prime is 222302012027. The reversal of 222302012020 is 20210203222.

It is a junction number, because it is equal to n+sod(n) for n = 222302011985 and 222302012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222302012027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33082221 + ... + 33088939.

It is an arithmetic number, because the mean of its divisors is an integer number (5361854400).

Almost surely, 2222302012020 is an apocalyptic number.

222302012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222302012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257369011200).

222302012020 is an abundant number, since it is smaller than the sum of its proper divisors (292436010380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222302012020 is a wasteful number, since it uses less digits than its factorization.

222302012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329 (or 8327 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 222302012020 its reverse (20210203222), we get a palindrome (242512215242).

The spelling of 222302012020 in words is "two hundred twenty-two billion, three hundred two million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 1489 2020 2222 2978 4444 5555 5956 6719 7445 11110 13438 14890 16379 22220 26876 29780 32758 33595 65516 67190 73909 81895 134380 147818 150389 163790 295636 300778 327580 369545 601556 678619 739090 751945 1357238 1478180 1503890 1654279 2714476 3007780 3308558 3393095 6617116 6786190 7464809 8271395 10004591 13572380 14929618 16542790 20009182 29859236 33085580 37324045 40018364 50022955 74648090 100045910 110050501 149296180 200091820 220101002 440202004 550252505 1010463691 1100505010 2020927382 2201010020 4041854764 5052318455 10104636910 11115100601 20209273820 22230201202 44460402404 55575503005 111151006010 222302012020