20237656360 has 32 divisors (see below), whose sum is σ = 45545616360. Its totient is φ = 8093126656.

The previous prime is 20237656349. The next prime is 20237656379. The reversal of 20237656360 is 6365673202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2865889156 + 17371767204 = 53534^2 + 131802^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115152 + ... + 231808.

Almost surely, 2^20237656360 is an apocalyptic number.

20237656360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20237656360 is an abundant number, since it is smaller than the sum of its proper divisors (25307960000).

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

20237656360 is a wasteful number, since it uses less digits than its factorization.

20237656360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121005 (or 121001 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 20237656360 in words is "twenty billion, two hundred thirty-seven million, six hundred fifty-six thousand, three hundred sixty".