72258510800220 has 48 divisors (see below), whose sum is σ = 202348299380640. Its totient is φ = 19266605819136.

The previous prime is 72258510800213. The next prime is 72258510800239. The reversal of 72258510800220 is 2200801585227.

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, 72324547 + ... + 73316826.

It is an arithmetic number, because the mean of its divisors is an integer number (4215589570430).

Almost surely, 2^{72258510800220} is an apocalyptic number.

It is an amenable number.

72258510800220 is an abundant number, since it is smaller than the sum of its proper divisors (130089788580420).

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

72258510800220 is a wasteful number, since it uses less digits than its factorization.

72258510800220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145649654 (or 145649652 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 72258510800220 in words is "seventy-two trillion, two hundred fifty-eight billion, five hundred ten million, eight hundred thousand, two hundred twenty".