20412799696 has 20 divisors (see below), whose sum is σ = 40469563552. Its totient is φ = 9969041376.

The previous prime is 20412799609. The next prime is 20412799697. The reversal of 20412799696 is 69699721402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412799697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14834196 + ... + 14835571.

Almost surely, 2^20412799696 is an apocalyptic number.

It is an amenable number.

20412799696 is a deficient number, since it is larger than the sum of its proper divisors (20056763856).

20412799696 is a wasteful number, since it uses less digits than its factorization.

20412799696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29669818 (or 29669812 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 20412799696 in words is "twenty billion, four hundred twelve million, seven hundred ninety-nine thousand, six hundred ninety-six".