22020680 has 32 divisors (see below), whose sum is σ = 54051840. Its totient is φ = 8007360.

The previous prime is 22020673. The next prime is 22020703. The reversal of 22020680 is 8602022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24584 + ... + 25463.

It is an arithmetic number, because the mean of its divisors is an integer number (1689120).

Almost surely, 2^22020680 is an apocalyptic number.

22020680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020680 is an abundant number, since it is smaller than the sum of its proper divisors (32031160).

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

22020680 is a wasteful number, since it uses less digits than its factorization.

22020680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50069 (or 50065 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22020680 is about 4692.6197374175. The cubic root of 22020680 is about 280.2917028025.

The spelling of 22020680 in words is "twenty-two million, twenty thousand, six hundred eighty".