20612196360 has 640 divisors, whose sum is σ = 86088499200. Its totient is φ = 4316613120.

The previous prime is 20612196359. The next prime is 20612196383. The reversal of 20612196360 is 6369121602.

It is a happy number.

20612196360 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 2 + 19 + 636 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13357749 + ... + 13359291.

It is an arithmetic number, because the mean of its divisors is an integer number (134513280).

Almost surely, 2^20612196360 is an apocalyptic number.

20612196360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20612196360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43044249600).

20612196360 is an abundant number, since it is smaller than the sum of its proper divisors (65476302840).

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

20612196360 is a wasteful number, since it uses less digits than its factorization.

20612196360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 20612196360 in words is "twenty billion, six hundred twelve million, one hundred ninety-six thousand, three hundred sixty".