220440362564 has 12 divisors (see below), whose sum is σ = 387728862444. Its totient is φ = 109660687584.

The previous prime is 220440362543. The next prime is 220440362587. The reversal of 220440362564 is 465263044022.

220440362564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187826892100 + 32613470464 = 433390^2 + 180592^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139872539 + ... + 139874114.

It is an arithmetic number, because the mean of its divisors is an integer number (32310738537).

Almost surely, 2^220440362564 is an apocalyptic number.

It is an amenable number.

220440362564 is a deficient number, since it is larger than the sum of its proper divisors (167288499880).

220440362564 is a wasteful number, since it uses less digits than its factorization.

220440362564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279746854 (or 279746852 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 220440362564 in words is "two hundred twenty billion, four hundred forty million, three hundred sixty-two thousand, five hundred sixty-four".