13620211620 has 48 divisors (see below), whose sum is σ = 38159016000. Its totient is φ = 3629920896.

The previous prime is 13620211597. The next prime is 13620211643. The reversal of 13620211620 is 2611202631.

It is an interprime number because it is at equal distance from previous prime (13620211597) and next prime (13620211643).

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, 37506 + ... + 169254.

It is an arithmetic number, because the mean of its divisors is an integer number (794979500).

Almost surely, 2^13620211620 is an apocalyptic number.

13620211620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13620211620 is an abundant number, since it is smaller than the sum of its proper divisors (24538804380).

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

13620211620 is a wasteful number, since it uses less digits than its factorization.

13620211620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133484 (or 133482 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 13620211620 in words is "thirteen billion, six hundred twenty million, two hundred eleven thousand, six hundred twenty".