22020688 has 20 divisors (see below), whose sum is σ = 43390080. Its totient is φ = 10823264.

The previous prime is 22020673. The next prime is 22020703. The reversal of 22020688 is 88602022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22020673) and next prime (22020703).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10720 + ... + 12607.

It is an arithmetic number, because the mean of its divisors is an integer number (2169504).

Almost surely, 2^22020688 is an apocalyptic number.

It is an amenable number.

22020688 is a deficient number, since it is larger than the sum of its proper divisors (21369392).

22020688 is a wasteful number, since it uses less digits than its factorization.

22020688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23394 (or 23388 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 22020688 is about 4692.6205898197. The cubic root of 22020688 is about 280.2917367453.

It can be divided in two parts, 22020 and 688, that multiplied together give a triangular number (15149760 = T₅₅₀₄).

The spelling of 22020688 in words is "twenty-two million, twenty thousand, six hundred eighty-eight".