20996416675 has 12 divisors (see below), whose sum is σ = 28038292240. Its totient is φ = 15505045920.

The previous prime is 20996416657. The next prime is 20996416681. The reversal of 20996416675 is 57661469902.

It is a happy number.

It is not a de Polignac number, because 20996416675 - 2²⁹ = 20459545763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32301855 + ... + 32302504.

Almost surely, 2^20996416675 is an apocalyptic number.

20996416675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20996416675 is a deficient number, since it is larger than the sum of its proper divisors (7041875565).

20996416675 is a wasteful number, since it uses less digits than its factorization.

20996416675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64604382 (or 64604377 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 20996416675 in words is "twenty billion, nine hundred ninety-six million, four hundred sixteen thousand, six hundred seventy-five".