20468654980 has 24 divisors (see below), whose sum is σ = 42989708160. Its totient is φ = 8186408160.

The previous prime is 20468654903. The next prime is 20468655001. The reversal of 20468654980 is 8945686402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104101 + ... + 227539.

It is an arithmetic number, because the mean of its divisors is an integer number (1791237840).

Almost surely, 2^20468654980 is an apocalyptic number.

20468654980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20468654980 is an abundant number, since it is smaller than the sum of its proper divisors (22521053180).

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

20468654980 is a wasteful number, since it uses less digits than its factorization.

20468654980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131739 (or 131737 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 20468654980 in words is "twenty billion, four hundred sixty-eight million, six hundred fifty-four thousand, nine hundred eighty".