220213736 has 8 divisors (see below), whose sum is σ = 412900770. Its totient is φ = 110106864.

The previous prime is 220213727. The next prime is 220213757. The reversal of 220213736 is 637312022.

It can be written as a sum of positive squares in only one way, i.e., 140896900 + 79316836 = 11870^2 + 8906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13763351 + ... + 13763366.

Almost surely, 2^220213736 is an apocalyptic number.

It is an amenable number.

220213736 is a deficient number, since it is larger than the sum of its proper divisors (192687034).

220213736 is a wasteful number, since it uses less digits than its factorization.

220213736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27526723 (or 27526719 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 220213736 is about 14839.6002641581. The cubic root of 220213736 is about 603.8765079459.

Adding to 220213736 its reverse (637312022), we get a palindrome (857525758).

The spelling of 220213736 in words is "two hundred twenty million, two hundred thirteen thousand, seven hundred thirty-six".