90022028020 has 48 divisors (see below), whose sum is σ = 194817063168. Its totient is φ = 34920131840.

The previous prime is 90022028003. The next prime is 90022028023. The reversal of 90022028020 is 2082022009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90022028023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191752 + ... + 465631.

It is an arithmetic number, because the mean of its divisors is an integer number (4058688816).

Almost surely, 2^90022028020 is an apocalyptic number.

It is an amenable number.

90022028020 is an abundant number, since it is smaller than the sum of its proper divisors (104795035148).

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

90022028020 is a wasteful number, since it uses less digits than its factorization.

90022028020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657600 (or 657598 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 90022028020 in words is "ninety billion, twenty-two million, twenty-eight thousand, twenty".