20003701722136 has 64 divisors (see below), whose sum is σ = 42697360327680. Its totient is φ = 8696912801280.

The previous prime is 20003701722083. The next prime is 20003701722161. The reversal of 20003701722136 is 63122710730002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 53930865 + ... + 54300511.

It is an arithmetic number, because the mean of its divisors is an integer number (667146255120).

Almost surely, 2^{20003701722136} is an apocalyptic number.

It is an amenable number.

20003701722136 is an abundant number, since it is smaller than the sum of its proper divisors (22693658605544).

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

20003701722136 is a wasteful number, since it uses less digits than its factorization.

20003701722136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396424 (or 396420 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 20003701722136 in words is "twenty trillion, three billion, seven hundred one million, seven hundred twenty-two thousand, one hundred thirty-six".