20088816 has 40 divisors (see below), whose sum is σ = 56615424. Its totient is φ = 6087360.

The previous prime is 20088779. The next prime is 20088823. The reversal of 20088816 is 61888002.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 18496 + ... + 19551.

Almost surely, 2^20088816 is an apocalyptic number.

It is an amenable number.

20088816 is an abundant number, since it is smaller than the sum of its proper divisors (36526608).

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

20088816 is a wasteful number, since it uses less digits than its factorization.

20088816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38069 (or 38063 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 20088816 is about 4482.0548858755. The cubic root of 20088816 is about 271.8429745340.

The spelling of 20088816 in words is "twenty million, eighty-eight thousand, eight hundred sixteen".