220131012290 has 64 divisors (see below), whose sum is σ = 460478684160. Its totient is φ = 74208476160.

The previous prime is 220131012289. The next prime is 220131012301. The reversal of 220131012290 is 92210131022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1250144 + ... + 1415316.

It is an arithmetic number, because the mean of its divisors is an integer number (7194979440).

Almost surely, 2^220131012290 is an apocalyptic number.

220131012290 is an abundant number, since it is smaller than the sum of its proper divisors (240347671870).

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

220131012290 is a wasteful number, since it uses less digits than its factorization.

220131012290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165507.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 220131012290 in words is "two hundred twenty billion, one hundred thirty-one million, twelve thousand, two hundred ninety".