20013721544150 has 24 divisors (see below), whose sum is σ = 37228567743720. Its totient is φ = 8004833634560.

The previous prime is 20013721544143. The next prime is 20013721544209. The reversal of 20013721544150 is 5144512731002.

It is a self number, because there is not a number n which added to its sum of digits gives 20013721544150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15757115 + ... + 16979814.

It is an arithmetic number, because the mean of its divisors is an integer number (1551190322655).

Almost surely, 2^{20013721544150} is an apocalyptic number.

20013721544150 is a deficient number, since it is larger than the sum of its proper divisors (17214846199570).

20013721544150 is a wasteful number, since it uses less digits than its factorization.

20013721544150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32749168 (or 32749163 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 20013721544150 in words is "twenty trillion, thirteen billion, seven hundred twenty-one million, five hundred forty-four thousand, one hundred fifty".