20746610554964 has 48 divisors (see below), whose sum is σ = 43299238838016. Its totient is φ = 8504435808000.

The previous prime is 20746610554939. The next prime is 20746610555053. The reversal of 20746610554964 is 46945501664702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13693664 + ... + 15133064.

It is an arithmetic number, because the mean of its divisors is an integer number (902067475792).

Almost surely, 2^{20746610554964} is an apocalyptic number.

It is an amenable number.

20746610554964 is an abundant number, since it is smaller than the sum of its proper divisors (22552628283052).

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

20746610554964 is a wasteful number, since it uses less digits than its factorization.

20746610554964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461816 (or 1461814 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 20746610554964 in words is "twenty trillion, seven hundred forty-six billion, six hundred ten million, five hundred fifty-four thousand, nine hundred sixty-four".