10256556201620 has 24 divisors (see below), whose sum is σ = 22281484163400. Its totient is φ = 3961152739712.

The previous prime is 10256556201599. The next prime is 10256556201631. The reversal of 10256556201620 is 2610265565201.

It can be written as a sum of positive squares in 4 ways, for example, as 2737575411844 + 7518980789776 = 1654562^2 + 2742076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8841858215 + ... + 8841859374.

It is an arithmetic number, because the mean of its divisors is an integer number (928395173475).

Almost surely, 2^{10256556201620} is an apocalyptic number.

10256556201620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10256556201620 is an abundant number, since it is smaller than the sum of its proper divisors (12024927961780).

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

10256556201620 is a wasteful number, since it uses less digits than its factorization.

10256556201620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683717627 (or 17683717625 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 10256556201620 in words is "ten trillion, two hundred fifty-six billion, five hundred fifty-six million, two hundred one thousand, six hundred twenty".