22020588420 has 48 divisors (see below), whose sum is σ = 62143162368. Its totient is φ = 5825917440.

The previous prime is 22020588419. The next prime is 22020588431. The reversal of 22020588420 is 2488502022.

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, 1437301 + ... + 1452540.

It is an arithmetic number, because the mean of its divisors is an integer number (1294649216).

Almost surely, 2^22020588420 is an apocalyptic number.

22020588420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020588420 is an abundant number, since it is smaller than the sum of its proper divisors (40122573948).

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

22020588420 is a wasteful number, since it uses less digits than its factorization.

22020588420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889980 (or 2889978 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 22020588420 in words is "twenty-two billion, twenty million, five hundred eighty-eight thousand, four hundred twenty".