220031426790 has 96 divisors (see below), whose sum is σ = 688218635520. Its totient is φ = 47645900352.

The previous prime is 220031426767. The next prime is 220031426827. The reversal of 220031426790 is 97624130022.

220031426790 is a `hidden beast` number, since 220 + 0 + 3 + 1 + 426 + 7 + 9 + 0 = 666.

220031426790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 9178984 + ... + 9202923.

It is an arithmetic number, because the mean of its divisors is an integer number (7168944120).

Almost surely, 2^220031426790 is an apocalyptic number.

220031426790 is an abundant number, since it is smaller than the sum of its proper divisors (468187208730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220031426790 is a wasteful number, since it uses less digits than its factorization.

220031426790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18381946 (or 18381943 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 220031426790 in words is "two hundred twenty billion, thirty-one million, four hundred twenty-six thousand, seven hundred ninety".