20646603660096 has 112 divisors (see below), whose sum is σ = 60758444782080. Its totient is φ = 6875255946240.

The previous prime is 20646603660091. The next prime is 20646603660097. The reversal of 20646603660096 is 69006630664602.

It is a happy number.

20646603660096 is a `hidden beast` number, since 2 + 0 + 6 + 466 + 0 + 36 + 60 + 0 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20646603660091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315941 + ... + 7740836.

Almost surely, 2^{20646603660096} is an apocalyptic number.

It is an amenable number.

20646603660096 is an abundant number, since it is smaller than the sum of its proper divisors (40111841121984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20646603660096 is a wasteful number, since it uses less digits than its factorization.

20646603660096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057789 (or 12057773 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 54.

The spelling of 20646603660096 in words is "twenty trillion, six hundred forty-six billion, six hundred three million, six hundred sixty thousand, ninety-six".