72050016520220 has 48 divisors (see below), whose sum is σ = 154825961172960. Its totient is φ = 28149373034496.

The previous prime is 72050016520219. The next prime is 72050016520231. The reversal of 72050016520220 is 2202561005027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63879884 + ... + 64997996.

It is an arithmetic number, because the mean of its divisors is an integer number (3225540857770).

Almost surely, 2^{72050016520220} is an apocalyptic number.

It is an amenable number.

72050016520220 is an abundant number, since it is smaller than the sum of its proper divisors (82775944652740).

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

72050016520220 is a wasteful number, since it uses less digits than its factorization.

72050016520220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193094 (or 1193092 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 72050016520220 its reverse (2202561005027), we get a palindrome (74252577525247).

The spelling of 72050016520220 in words is "seventy-two trillion, fifty billion, sixteen million, five hundred twenty thousand, two hundred twenty".