90214684620520 has 32 divisors (see below), whose sum is σ = 204327298955520. Its totient is φ = 35846894548800.

The previous prime is 90214684620517. The next prime is 90214684620547. The reversal of 90214684620520 is 2502648641209.

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, 7468096992 + ... + 7468109071.

It is an arithmetic number, because the mean of its divisors is an integer number (6385228092360).

Almost surely, 2^{90214684620520} is an apocalyptic number.

It is an amenable number.

90214684620520 is an abundant number, since it is smaller than the sum of its proper divisors (114112614335000).

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

90214684620520 is a wasteful number, since it uses less digits than its factorization.

90214684620520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936206225 (or 14936206221 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 90214684620520 in words is "ninety trillion, two hundred fourteen billion, six hundred eighty-four million, six hundred twenty thousand, five hundred twenty".