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2212212022020 = 2232571113113179607
BaseRepresentation
bin100000001100010010000…
…111001001101100000100
321211111002212012112100100
4200030102013021230010
5242221102234201040
64412135353044100
7315553450633560
oct40142207115404
97744085175310
102212212022020
11783215017970
122b88a93b6630
131307c2921380
14791007c06a0
153c828603b30
hex203121c9b04

2212212022020 has 1152 divisors, whose sum is σ = 9155305635840. Its totient is φ = 417526824960.

The previous prime is 2212212021979. The next prime is 2212212022043. The reversal of 2212212022020 is 202202122122.

2212212022020 is a `hidden beast` number, since 2 + 212 + 212 + 0 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2212212021984 and 2212212022002.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3644500557 + ... + 3644501163.

It is an arithmetic number, because the mean of its divisors is an integer number (7947313920).

Almost surely, 22212212022020 is an apocalyptic number.

2212212022020 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 2212212022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4577652817920).

2212212022020 is an abundant number, since it is smaller than the sum of its proper divisors (6943093613820).

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

2212212022020 is a wasteful number, since it uses less digits than its factorization.

2212212022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2212212022020 its reverse (202202122122), we get a palindrome (2414414144142).

The spelling of 2212212022020 in words is "two trillion, two hundred twelve billion, two hundred twelve million, twenty-two thousand, twenty".