220151539 has 2 divisors, whose sum is σ = 220151540. Its totient is φ = 220151538.

The previous prime is 220151521. The next prime is 220151587. The reversal of 220151539 is 935151022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220151539 - 2²¹ = 218054387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220151339) by changing a digit.

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 as a sum of consecutive naturals, namely, 110075769 + 110075770.

It is an arithmetic number, because the mean of its divisors is an integer number (110075770).

Almost surely, 2^220151539 is an apocalyptic number.

220151539 is a deficient number, since it is larger than the sum of its proper divisors (1).

220151539 is an equidigital number, since it uses as much as digits as its factorization.

220151539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 220151539 is about 14837.5044734618. The cubic root of 220151539 is about 603.8196497855.

The spelling of 220151539 in words is "two hundred twenty million, one hundred fifty-one thousand, five hundred thirty-nine".