20470844554908 has 48 divisors (see below), whose sum is σ = 52107956544000. Its totient is φ = 6203244297600.

The previous prime is 20470844554891. The next prime is 20470844554967. The reversal of 20470844554908 is 80945544807402.

It is a happy number.

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, 23093853 + ... + 23963883.

It is an arithmetic number, because the mean of its divisors is an integer number (1085582428000).

Almost surely, 2^{20470844554908} is an apocalyptic number.

It is an amenable number.

20470844554908 is an abundant number, since it is smaller than the sum of its proper divisors (31637111989092).

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

20470844554908 is a wasteful number, since it uses less digits than its factorization.

20470844554908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048298 (or 1048296 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 20470844554908 in words is "twenty trillion, four hundred seventy billion, eight hundred forty-four million, five hundred fifty-four thousand, nine hundred eight".