220896149 has 4 divisors (see below), whose sum is σ = 220925964. Its totient is φ = 220866336.

The previous prime is 220896139. The next prime is 220896157. The reversal of 220896149 is 941698022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 174900625 = 6782^2 + 13225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220896149 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 (220896139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5729 + ... + 21785.

It is an arithmetic number, because the mean of its divisors is an integer number (55231491).

Almost surely, 2^220896149 is an apocalyptic number.

It is an amenable number.

220896149 is a deficient number, since it is larger than the sum of its proper divisors (29815).

220896149 is a wasteful number, since it uses less digits than its factorization.

220896149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29814.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 220896149 is about 14862.5754497664. The cubic root of 220896149 is about 604.4996423066.

The spelling of 220896149 in words is "two hundred twenty million, eight hundred ninety-six thousand, one hundred forty-nine".