13622251620 has 48 divisors (see below), whose sum is σ = 38149554240. Its totient is φ = 3631910016.

The previous prime is 13622251583. The next prime is 13622251633. The reversal of 13622251620 is 2615222631.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 349471 + ... + 386489.

It is an arithmetic number, because the mean of its divisors is an integer number (794782380).

Almost surely, 2^13622251620 is an apocalyptic number.

13622251620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13622251620 is an abundant number, since it is smaller than the sum of its proper divisors (24527302620).

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

13622251620 is a wasteful number, since it uses less digits than its factorization.

13622251620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43164 (or 43162 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 13622251620 in words is "thirteen billion, six hundred twenty-two million, two hundred fifty-one thousand, six hundred twenty".