15522016620 has 48 divisors (see below), whose sum is σ = 47412707328. Its totient is φ = 3762912960.

The previous prime is 15522016619. The next prime is 15522016621. The reversal of 15522016620 is 2661022551.

It is an interprime number because it is at equal distance from previous prime (15522016619) and next prime (15522016621).

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

It is not an unprimeable number, because it can be changed into a prime (15522016621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11758444 + ... + 11759763.

It is an arithmetic number, because the mean of its divisors is an integer number (987764736).

Almost surely, 2^15522016620 is an apocalyptic number.

15522016620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15522016620 is an abundant number, since it is smaller than the sum of its proper divisors (31890690708).

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

15522016620 is a wasteful number, since it uses less digits than its factorization.

15522016620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23518230 (or 23518228 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 15522016620 in words is "fifteen billion, five hundred twenty-two million, sixteen thousand, six hundred twenty".