20415632396 has 24 divisors (see below), whose sum is σ = 36983459520. Its totient is φ = 9849389312.

The previous prime is 20415632387. The next prime is 20415632399. The reversal of 20415632396 is 69323651402.

It is a super-2 number, since 2×20415632396² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20415632399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123485 + ... + 236811.

It is an arithmetic number, because the mean of its divisors is an integer number (1540977480).

Almost surely, 2^20415632396 is an apocalyptic number.

It is an amenable number.

20415632396 is a deficient number, since it is larger than the sum of its proper divisors (16567827124).

20415632396 is a wasteful number, since it uses less digits than its factorization.

20415632396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114913 (or 114911 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 20415632396 in words is "twenty billion, four hundred fifteen million, six hundred thirty-two thousand, three hundred ninety-six".