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20200122022220 = 2257473069927359
BaseRepresentation
bin1001001011111001101010…
…00110001111100101001100
32122112010001020100120011122
410211330311012033211030
510121424322214202340
6110543450303340112
74153260566111540
oct445746506174514
978463036316148
1020200122022220
1164889072a1348
122322b03bb1638
13b36b2b9873ba
144db996623a20
152506b8daedb5
hex125f3518f94c

20200122022220 has 48 divisors (see below), whose sum is σ = 49511788462080. Its totient is φ = 6778399606464.

The previous prime is 20200122022169. The next prime is 20200122022253. The reversal of 20200122022220 is 2222022100202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534957100 + ... + 1534970259.

It is an arithmetic number, because the mean of its divisors is an integer number (1031495592960).

Almost surely, 220200122022220 is an apocalyptic number.

20200122022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200122022220 is an abundant number, since it is smaller than the sum of its proper divisors (29311666439860).

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

20200122022220 is a wasteful number, since it uses less digits than its factorization.

20200122022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069927422 (or 3069927420 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20200122022220 its reverse (2222022100202), we get a palindrome (22422144122422).

The spelling of 20200122022220 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 70 94 140 188 235 329 470 658 940 1316 1645 3290 6580 3069927359 6139854718 12279709436 15349636795 21489491513 30699273590 42978983026 61398547180 85957966052 107447457565 144286585873 214894915130 288573171746 429789830260 577146343492 721432929365 1010006101111 1442865858730 2020012202222 2885731717460 4040024404444 5050030505555 10100061011110 20200122022220