20022908 has 12 divisors (see below), whose sum is σ = 35085960. Its totient is φ = 9998352.

The previous prime is 20022901. The next prime is 20022911. The reversal of 20022908 is 80922002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 6366.

It is an arithmetic number, because the mean of its divisors is an integer number (2923830).

Almost surely, 2^20022908 is an apocalyptic number.

It is an amenable number.

20022908 is a deficient number, since it is larger than the sum of its proper divisors (15063052).

20022908 is a wasteful number, since it uses less digits than its factorization.

20022908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20022908 is about 4474.6964142833. The cubic root of 20022908 is about 271.5453585808.

The spelling of 20022908 in words is "twenty million, twenty-two thousand, nine hundred eight".