220115436 has 24 divisors (see below), whose sum is σ = 513904944. Its totient is φ = 73328640.

The previous prime is 220115383. The next prime is 220115443. The reversal of 220115436 is 634511022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21016 + ... + 29696.

It is an arithmetic number, because the mean of its divisors is an integer number (21412706).

Almost surely, 2^220115436 is an apocalyptic number.

It is an amenable number.

220115436 is an abundant number, since it is smaller than the sum of its proper divisors (293789508).

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

220115436 is a wasteful number, since it uses less digits than its factorization.

220115436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801 (or 10799 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 220115436 is about 14836.2878106351. The cubic root of 220115436 is about 603.7866408670.

Adding to 220115436 its reverse (634511022), we get a palindrome (854626458).

The spelling of 220115436 in words is "two hundred twenty million, one hundred fifteen thousand, four hundred thirty-six".