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2202202100020 = 22513316722318287
BaseRepresentation
bin100000000010111101011…
…110010101000100110100
321210112021020202210210111
4200002331132111010310
5242040102214200040
64403402213432404
7315050422665526
oct40027536250464
97715236683714
102202202100020
11779a4874635a
122b697503b704
1312c888b6b9c0
14788311d7a16
153c43e935dea
hex200bd795134

2202202100020 has 192 divisors, whose sum is σ = 5241437945856. Its totient is φ = 771628239360.

The previous prime is 2202202100003. The next prime is 2202202100023. The reversal of 2202202100020 is 200012022022.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202202100023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120415317 + ... + 120433603.

It is an arithmetic number, because the mean of its divisors is an integer number (27299155968).

Almost surely, 22202202100020 is an apocalyptic number.

2202202100020 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 2202202100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620718972928).

2202202100020 is an abundant number, since it is smaller than the sum of its proper divisors (3039235845836).

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

2202202100020 is a wasteful number, since it uses less digits than its factorization.

2202202100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630 (or 18628 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2202202100020 its reverse (200012022022), we get a palindrome (2402214122042).

The spelling of 2202202100020 in words is "two trillion, two hundred two billion, two hundred two million, one hundred thousand, twenty".