20047760488164 has 48 divisors (see below), whose sum is σ = 48027207170880. Its totient is φ = 6504879912960.

The previous prime is 20047760488159. The next prime is 20047760488183. The reversal of 20047760488164 is 46188406774002.

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, 45772429 + ... + 46208340.

It is an arithmetic number, because the mean of its divisors is an integer number (1000566816060).

Almost surely, 2^{20047760488164} is an apocalyptic number.

It is an amenable number.

20047760488164 is an abundant number, since it is smaller than the sum of its proper divisors (27979446682716).

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

20047760488164 is a wasteful number, since it uses less digits than its factorization.

20047760488164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91981260 (or 91981258 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 20047760488164 in words is "twenty trillion, forty-seven billion, seven hundred sixty million, four hundred eighty-eight thousand, one hundred sixty-four".