220653991792 has 80 divisors (see below), whose sum is σ = 496683835200. Its totient is φ = 94041133056.

The previous prime is 220653991777. The next prime is 220653991799. The reversal of 220653991792 is 297199356022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220653991799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401292 + ... + 776107.

It is an arithmetic number, because the mean of its divisors is an integer number (6208547940).

Almost surely, 2^220653991792 is an apocalyptic number.

It is an amenable number.

220653991792 is an abundant number, since it is smaller than the sum of its proper divisors (276029843408).

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

220653991792 is a wasteful number, since it uses less digits than its factorization.

220653991792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177490 (or 1177484 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 220653991792 in words is "two hundred twenty billion, six hundred fifty-three million, nine hundred ninety-one thousand, seven hundred ninety-two".