220767172312 has 8 divisors (see below), whose sum is σ = 413938448100. Its totient is φ = 110383586152.

The previous prime is 220767172309. The next prime is 220767172319. The reversal of 220767172312 is 213271767022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220767172319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13797948262 + ... + 13797948277.

Almost surely, 2^220767172312 is an apocalyptic number.

It is an amenable number.

220767172312 is a deficient number, since it is larger than the sum of its proper divisors (193171275788).

220767172312 is a wasteful number, since it uses less digits than its factorization.

220767172312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595896545 (or 27595896541 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 220767172312 in words is "two hundred twenty billion, seven hundred sixty-seven million, one hundred seventy-two thousand, three hundred twelve".