20007738912 has 96 divisors (see below), whose sum is σ = 61487282304. Its totient is φ = 5577062400.

The previous prime is 20007738901. The next prime is 20007738941. The reversal of 20007738912 is 21983770002.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335539 + ... + 390642.

It is an arithmetic number, because the mean of its divisors is an integer number (640492524).

Almost surely, 2^20007738912 is an apocalyptic number.

It is an amenable number.

20007738912 is an abundant number, since it is smaller than the sum of its proper divisors (41479543392).

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

20007738912 is a wasteful number, since it uses less digits than its factorization.

20007738912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726242 (or 726234 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 20007738912 in words is "twenty billion, seven million, seven hundred thirty-eight thousand, nine hundred twelve".