220801290 has 32 divisors (see below), whose sum is σ = 530340480. Its totient is φ = 58833984.

The previous prime is 220801283. The next prime is 220801297. The reversal of 220801290 is 92108022.

It is an interprime number because it is at equal distance from previous prime (220801283) and next prime (220801297).

It is a self number, because there is not a number n which added to its sum of digits gives 220801290.

It is not an unprimeable number, because it can be changed into a prime (220801297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54412 + ... + 58328.

It is an arithmetic number, because the mean of its divisors is an integer number (16573140).

Almost surely, 2^220801290 is an apocalyptic number.

220801290 is an abundant number, since it is smaller than the sum of its proper divisors (309539190).

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

220801290 is a wasteful number, since it uses less digits than its factorization.

220801290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 220801290 is about 14859.3839037828. The cubic root of 220801290 is about 604.4131002190.

The spelling of 220801290 in words is "two hundred twenty million, eight hundred one thousand, two hundred ninety".