220957672497 has 8 divisors (see below), whose sum is σ = 294646283040. Its totient is φ = 147287088480.

The previous prime is 220957672493. The next prime is 220957672543. The reversal of 220957672497 is 794276759022.

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

It is not a de Polignac number, because 220957672497 - 2² = 220957672493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220957672497.

It is not an unprimeable number, because it can be changed into a prime (220957672493) 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, 4478004 + ... + 4527077.

It is an arithmetic number, because the mean of its divisors is an integer number (36830785380).

Almost surely, 2^220957672497 is an apocalyptic number.

It is an amenable number.

220957672497 is a deficient number, since it is larger than the sum of its proper divisors (73688610543).

220957672497 is an equidigital number, since it uses as much as digits as its factorization.

220957672497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013263.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 220957672497 in words is "two hundred twenty billion, nine hundred fifty-seven million, six hundred seventy-two thousand, four hundred ninety-seven".