20023008 has 48 divisors (see below), whose sum is σ = 55656720. Its totient is φ = 6281216.

The previous prime is 20023001. The next prime is 20023009. The reversal of 20023008 is 80032002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503 + ... + 7766.

It is an arithmetic number, because the mean of its divisors is an integer number (1159515).

Almost surely, 2^20023008 is an apocalyptic number.

It is an amenable number.

20023008 is an abundant number, since it is smaller than the sum of its proper divisors (35633712).

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

20023008 is a wasteful number, since it uses less digits than its factorization.

20023008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12299 (or 12291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20023008 is about 4474.7075882118. The cubic root of 20023008 is about 271.5458106379.

The spelling of 20023008 in words is "twenty million, twenty-three thousand, eight".