90885364220 has 48 divisors (see below), whose sum is σ = 218173928448. Its totient is φ = 31153688640.

The previous prime is 90885364103. The next prime is 90885364261. The reversal of 90885364220 is 2246358809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572039 + ... + 713441.

It is an arithmetic number, because the mean of its divisors is an integer number (4545290176).

Almost surely, 2^90885364220 is an apocalyptic number.

It is an amenable number.

90885364220 is an abundant number, since it is smaller than the sum of its proper divisors (127288564228).

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

90885364220 is a wasteful number, since it uses less digits than its factorization.

90885364220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146010 (or 146008 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 90885364220 in words is "ninety billion, eight hundred eighty-five million, three hundred sixty-four thousand, two hundred twenty".