20136662737700 has 36 divisors (see below), whose sum is σ = 43696814566020. Its totient is φ = 8054617827840.

The previous prime is 20136662737669. The next prime is 20136662737769. The reversal of 20136662737700 is 773726663102.

It can be written as a sum of positive squares in 6 ways, for example, as 3158702871076 + 16977959866624 = 1777274^2 + 4120432^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20161304 + ... + 21136496.

Almost surely, 2^{20136662737700} is an apocalyptic number.

20136662737700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20136662737700 is an abundant number, since it is smaller than the sum of its proper divisors (23560151828320).

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

20136662737700 is a wasteful number, since it uses less digits than its factorization.

20136662737700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181696 (or 1181689 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 20136662737700 in words is "twenty trillion, one hundred thirty-six billion, six hundred sixty-two million, seven hundred thirty-seven thousand, seven hundred".