20736156053120 has 64 divisors (see below), whose sum is σ = 49592536394400. Its totient is φ = 8291088688128.

The previous prime is 20736156053017. The next prime is 20736156053131. The reversal of 20736156053120 is 2135065163702.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5014334 + ... + 8161853.

Almost surely, 2^{20736156053120} is an apocalyptic number.

20736156053120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20736156053120 is an abundant number, since it is smaller than the sum of its proper divisors (28856380341280).

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

20736156053120 is a wasteful number, since it uses less digits than its factorization.

20736156053120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178665 (or 13178653 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 20736156053120 in words is "twenty trillion, seven hundred thirty-six billion, one hundred fifty-six million, fifty-three thousand, one hundred twenty".