20432894796118 has 48 divisors (see below), whose sum is σ = 37205992622304. Its totient is φ = 8375647674240.

The previous prime is 20432894796059. The next prime is 20432894796131. The reversal of 20432894796118 is 81169749823402.

It is a self number, because there is not a number n which added to its sum of digits gives 20432894796118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33646546 + ... + 34248442.

It is an arithmetic number, because the mean of its divisors is an integer number (775124846298).

Almost surely, 2^{20432894796118} is an apocalyptic number.

20432894796118 is a deficient number, since it is larger than the sum of its proper divisors (16773097826186).

20432894796118 is a wasteful number, since it uses less digits than its factorization.

20432894796118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616997 (or 616990 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 20432894796118 in words is "twenty trillion, four hundred thirty-two billion, eight hundred ninety-four million, seven hundred ninety-six thousand, one hundred eighteen".