220151490 has 32 divisors (see below), whose sum is σ = 569007936. Its totient is φ = 54191040.

The previous prime is 220151473. The next prime is 220151521. The reversal of 220151490 is 94151022.

It is a self number, because there is not a number n which added to its sum of digits gives 220151490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281856 + ... + 282635.

It is an arithmetic number, because the mean of its divisors is an integer number (17781498).

Almost surely, 2^220151490 is an apocalyptic number.

220151490 is an abundant number, since it is smaller than the sum of its proper divisors (348856446).

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

220151490 is a wasteful number, since it uses less digits than its factorization.

220151490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564514.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 220151490 is about 14837.5028222407. The cubic root of 220151490 is about 603.8196049873.

The spelling of 220151490 in words is "two hundred twenty million, one hundred fifty-one thousand, four hundred ninety".