220921790130 has 48 divisors (see below), whose sum is σ = 574760796480. Its totient is φ = 58875129504.

The previous prime is 220921790113. The next prime is 220921790143. The reversal of 220921790130 is 31097129022.

220921790130 is a `hidden beast` number, since 220 + 9 + 217 + 90 + 130 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635182 + ... + 919401.

It is an arithmetic number, because the mean of its divisors is an integer number (11974183260).

Almost surely, 2^220921790130 is an apocalyptic number.

220921790130 is an abundant number, since it is smaller than the sum of its proper divisors (353839006350).

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

220921790130 is a wasteful number, since it uses less digits than its factorization.

220921790130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556175 (or 1556172 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 220921790130 in words is "two hundred twenty billion, nine hundred twenty-one million, seven hundred ninety thousand, one hundred thirty".