10012091020 has 24 divisors (see below), whose sum is σ = 21141561168. Its totient is φ = 3982708800.

The previous prime is 10012091017. The next prime is 10012091039. The reversal of 10012091020 is 2019021001.

It is a junction number, because it is equal to n+sod(n) for n = 10012090985 and 10012091003.

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 7 ways as a sum of consecutive naturals, for example, 1379266 + ... + 1386505.

It is an arithmetic number, because the mean of its divisors is an integer number (880898382).

Almost surely, 2^10012091020 is an apocalyptic number.

10012091020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012091020 is an abundant number, since it is smaller than the sum of its proper divisors (11129470148).

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

10012091020 is a wasteful number, since it uses less digits than its factorization.

10012091020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765961 (or 2765959 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 10012091020 in words is "ten billion, twelve million, ninety-one thousand, twenty".