72220720505201 has 8 divisors (see below), whose sum is σ = 72236219092800. Its totient is φ = 72205222676400.

The previous prime is 72220720505191. The next prime is 72220720505231. The reversal of 72220720505201 is 10250502702227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72220720505201 - 2⁶ = 72220720505137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72220720505231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216329315 + ... + 216662903.

It is an arithmetic number, because the mean of its divisors is an integer number (9029527386600).

Almost surely, 2^{72220720505201} is an apocalyptic number.

It is an amenable number.

72220720505201 is a deficient number, since it is larger than the sum of its proper divisors (15498587599).

72220720505201 is a wasteful number, since it uses less digits than its factorization.

72220720505201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379399.

The product of its (nonzero) digits is 39200, while the sum is 35.

The spelling of 72220720505201 in words is "seventy-two trillion, two hundred twenty billion, seven hundred twenty million, five hundred five thousand, two hundred one".