220149511 has 2 divisors, whose sum is σ = 220149512. Its totient is φ = 220149510.

The previous prime is 220149481. The next prime is 220149529. The reversal of 220149511 is 115941022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220149511 - 2²³ = 211760903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220149571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110074755 + 110074756.

It is an arithmetic number, because the mean of its divisors is an integer number (110074756).

Almost surely, 2^220149511 is an apocalyptic number.

220149511 is a deficient number, since it is larger than the sum of its proper divisors (1).

220149511 is an equidigital number, since it uses as much as digits as its factorization.

220149511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 220149511 is about 14837.4361329712. The cubic root of 220149511 is about 603.8177956838.

The spelling of 220149511 in words is "two hundred twenty million, one hundred forty-nine thousand, five hundred eleven".