220704621764 has 24 divisors (see below), whose sum is σ = 421361740800. Its totient is φ = 100316341280.

The previous prime is 220704621743. The next prime is 220704621803. The reversal of 220704621764 is 467126407022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237757 + ... + 1404795.

It is an arithmetic number, because the mean of its divisors is an integer number (17556739200).

Almost surely, 2^220704621764 is an apocalyptic number.

It is an amenable number.

220704621764 is a deficient number, since it is larger than the sum of its proper divisors (200657119036).

220704621764 is a wasteful number, since it uses less digits than its factorization.

220704621764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197083 (or 197081 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 220704621764 in words is "two hundred twenty billion, seven hundred four million, six hundred twenty-one thousand, seven hundred sixty-four".