10256051666020 has 12 divisors (see below), whose sum is σ = 21537708498684. Its totient is φ = 4102420666400.

The previous prime is 10256051666017. The next prime is 10256051666057. The reversal of 10256051666020 is 2066615065201.

10256051666020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5697425277184 + 4558626388836 = 2386928^2 + 2135094^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256401291631 + ... + 256401291670.

It is an arithmetic number, because the mean of its divisors is an integer number (1794809041557).

Almost surely, 2^{10256051666020} is an apocalyptic number.

10256051666020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10256051666020 is an abundant number, since it is smaller than the sum of its proper divisors (11281656832664).

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

10256051666020 is a wasteful number, since it uses less digits than its factorization.

10256051666020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512802583310 (or 512802583308 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 10256051666020 in words is "ten trillion, two hundred fifty-six billion, fifty-one million, six hundred sixty-six thousand, twenty".