220151541 has 4 divisors (see below), whose sum is σ = 293535392. Its totient is φ = 146767692.

The previous prime is 220151539. The next prime is 220151587. The reversal of 220151541 is 145151022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220151541 - 2¹ = 220151539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220151521) 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 in 3 ways as a sum of consecutive naturals, for example, 36691921 + ... + 36691926.

It is an arithmetic number, because the mean of its divisors is an integer number (73383848).

Almost surely, 2^220151541 is an apocalyptic number.

It is an amenable number.

220151541 is a deficient number, since it is larger than the sum of its proper divisors (73383851).

220151541 is an equidigital number, since it uses as much as digits as its factorization.

220151541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73383850.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 220151541 is about 14837.5045408586. The cubic root of 220151541 is about 603.8196516140.

The spelling of 220151541 in words is "two hundred twenty million, one hundred fifty-one thousand, five hundred forty-one".