990620655202 has 16 divisors (see below), whose sum is σ = 1539002203200. Its totient is φ = 477660636880.

The previous prime is 990620655181. The next prime is 990620655203. The reversal of 990620655202 is 202556026099.

It is a super-3 number, since 3×990620655202³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (990620655203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10129924 + ... + 10227247.

It is an arithmetic number, because the mean of its divisors is an integer number (96187637700).

Almost surely, 2^990620655202 is an apocalyptic number.

990620655202 is a deficient number, since it is larger than the sum of its proper divisors (548381547998).

990620655202 is a wasteful number, since it uses less digits than its factorization.

990620655202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20358041.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 990620655202 in words is "nine hundred ninety billion, six hundred twenty million, six hundred fifty-five thousand, two hundred two".