20468470980 has 48 divisors (see below), whose sum is σ = 57955685760. Its totient is φ = 5396928768.

The previous prime is 20468470963. The next prime is 20468470999. The reversal of 20468470980 is 8907486402.

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, 1911184 + ... + 1921863.

It is an arithmetic number, because the mean of its divisors is an integer number (1207410120).

Almost surely, 2^20468470980 is an apocalyptic number.

20468470980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20468470980 is an abundant number, since it is smaller than the sum of its proper divisors (37487214780).

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

20468470980 is a wasteful number, since it uses less digits than its factorization.

20468470980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833148 (or 3833146 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 20468470980 in words is "twenty billion, four hundred sixty-eight million, four hundred seventy thousand, nine hundred eighty".