10021014656 has 32 divisors (see below), whose sum is σ = 21014468400. Its totient is φ = 4746795264.

The previous prime is 10021014649. The next prime is 10021014677. The reversal of 10021014656 is 65641012001.

It is a tau number, because it is divible by the number of its divisors (32).

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, 2057810 + ... + 2062673.

Almost surely, 2^10021014656 is an apocalyptic number.

10021014656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10021014656 is an abundant number, since it is smaller than the sum of its proper divisors (10993453744).

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

10021014656 is an equidigital number, since it uses as much as digits as its factorization.

10021014656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120516 (or 4120504 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 10021014656 its reverse (65641012001), we get a palindrome (75662026657).

The spelling of 10021014656 in words is "ten billion, twenty-one million, fourteen thousand, six hundred fifty-six".