102056426620 has 24 divisors (see below), whose sum is σ = 223636692384. Its totient is φ = 39047676096.

The previous prime is 102056426611. The next prime is 102056426627. The reversal of 102056426620 is 26624650201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102056426627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110930439 + ... + 110931358.

It is an arithmetic number, because the mean of its divisors is an integer number (9318195516).

Almost surely, 2^102056426620 is an apocalyptic number.

102056426620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102056426620 is an abundant number, since it is smaller than the sum of its proper divisors (121580265764).

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

102056426620 is a wasteful number, since it uses less digits than its factorization.

102056426620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221861829 (or 221861827 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 102056426620 in words is "one hundred two billion, fifty-six million, four hundred twenty-six thousand, six hundred twenty".