20010999968 has 24 divisors (see below), whose sum is σ = 40667518080. Its totient is φ = 9682741440.

The previous prime is 20010999923. The next prime is 20010999977. The reversal of 20010999968 is 86999901002.

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, 10085198 + ... + 10087181.

It is an arithmetic number, because the mean of its divisors is an integer number (1694479920).

Almost surely, 2^20010999968 is an apocalyptic number.

It is an amenable number.

20010999968 is an abundant number, since it is smaller than the sum of its proper divisors (20656518112).

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

20010999968 is a wasteful number, since it uses less digits than its factorization.

20010999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172420 (or 20172412 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 20010999968 in words is "twenty billion, ten million, nine hundred ninety-nine thousand, nine hundred sixty-eight".