10402020944 has 20 divisors (see below), whose sum is σ = 23033046624. Its totient is φ = 4458008928.

The previous prime is 10402020931. The next prime is 10402020961. The reversal of 10402020944 is 44902020401.

It is a super-2 number, since 2×10402020944² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46437482 + ... + 46437705.

Almost surely, 2^10402020944 is an apocalyptic number.

10402020944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10402020944 is an abundant number, since it is smaller than the sum of its proper divisors (12631025680).

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

10402020944 is an equidigital number, since it uses as much as digits as its factorization.

10402020944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92875202 (or 92875196 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 10402020944 in words is "ten billion, four hundred two million, twenty thousand, nine hundred forty-four".