20707954912 has 24 divisors (see below), whose sum is σ = 40806019296. Its totient is φ = 10344521472.

The previous prime is 20707954907. The next prime is 20707954913. The reversal of 20707954912 is 21945970702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20707954913) by changing a digit.

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, 259848 + ... + 330055.

It is an arithmetic number, because the mean of its divisors is an integer number (1700250804).

Almost surely, 2^20707954912 is an apocalyptic number.

It is an amenable number.

20707954912 is a deficient number, since it is larger than the sum of its proper divisors (20098064384).

20707954912 is a wasteful number, since it uses less digits than its factorization.

20707954912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591010 (or 591002 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 20707954912 in words is "twenty billion, seven hundred seven million, nine hundred fifty-four thousand, nine hundred twelve".