90476020 has 24 divisors (see below), whose sum is σ = 198261504. Its totient is φ = 34616736.

The previous prime is 90476003. The next prime is 90476039. The reversal of 90476020 is 2067409.

It is a self number, because there is not a number n which added to its sum of digits gives 90476020.

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, 97884 + ... + 98803.

It is an arithmetic number, because the mean of its divisors is an integer number (8260896).

Almost surely, 2^90476020 is an apocalyptic number.

It is an amenable number.

90476020 is an abundant number, since it is smaller than the sum of its proper divisors (107785484).

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

90476020 is a wasteful number, since it uses less digits than its factorization.

90476020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196719 (or 196717 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 90476020 is about 9511.8883509007. Note that the first 3 decimals coincide. The cubic root of 90476020 is about 448.9291740341.

The spelling of 90476020 in words is "ninety million, four hundred seventy-six thousand, twenty".