220331893648 has 20 divisors (see below), whose sum is σ = 432296755840. Its totient is φ = 108771440544.

The previous prime is 220331893631. The next prime is 220331893669. The reversal of 220331893648 is 846398133022.

220331893648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220331893648² (a number of 23 digits) contains 22 as substring.

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, 87155340 + ... + 87157867.

It is an arithmetic number, because the mean of its divisors is an integer number (21614837792).

Almost surely, 2^220331893648 is an apocalyptic number.

It is an amenable number.

220331893648 is a deficient number, since it is larger than the sum of its proper divisors (211964862192).

220331893648 is a wasteful number, since it uses less digits than its factorization.

220331893648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174313294 (or 174313288 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 220331893648 in words is "two hundred twenty billion, three hundred thirty-one million, eight hundred ninety-three thousand, six hundred forty-eight".