220772530676 has 6 divisors (see below), whose sum is σ = 386351928690. Its totient is φ = 110386265336.

The previous prime is 220772530669. The next prime is 220772530681. The reversal of 220772530676 is 676035277022.

It can be written as a sum of positive squares in only one way, i.e., 189291125776 + 31481404900 = 435076^2 + 177430^2 .

It is a super-2 number, since 2×220772530676² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220772530676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27596566331 + ... + 27596566338.

It is an arithmetic number, because the mean of its divisors is an integer number (64391988115).

Almost surely, 2^220772530676 is an apocalyptic number.

It is an amenable number.

220772530676 is a deficient number, since it is larger than the sum of its proper divisors (165579398014).

220772530676 is a wasteful number, since it uses less digits than its factorization.

220772530676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55193132673 (or 55193132671 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 220772530676 in words is "two hundred twenty billion, seven hundred seventy-two million, five hundred thirty thousand, six hundred seventy-six".