20622626420 has 48 divisors (see below), whose sum is σ = 47712381696. Its totient is φ = 7424880000.

The previous prime is 20622626411. The next prime is 20622626483. The reversal of 20622626420 is 2462622602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441836 + ... + 486275.

It is an arithmetic number, because the mean of its divisors is an integer number (994007952).

Almost surely, 2^20622626420 is an apocalyptic number.

20622626420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20622626420 is an abundant number, since it is smaller than the sum of its proper divisors (27089755276).

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

20622626420 is a wasteful number, since it uses less digits than its factorization.

20622626420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928232 (or 928230 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 20622626420 in words is "twenty billion, six hundred twenty-two million, six hundred twenty-six thousand, four hundred twenty".