220101436 has 12 divisors (see below), whose sum is σ = 385333312. Its totient is φ = 110006208.

The previous prime is 220101433. The next prime is 220101451. The reversal of 220101436 is 634101022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621 + ... + 21043.

Almost surely, 2^220101436 is an apocalyptic number.

It is an amenable number.

220101436 is a deficient number, since it is larger than the sum of its proper divisors (165231876).

220101436 is a wasteful number, since it uses less digits than its factorization.

220101436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22260 (or 22258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 220101436 is about 14835.8159869958. The cubic root of 220101436 is about 603.7738397169.

Adding to 220101436 its reverse (634101022), we get a palindrome (854202458).

The spelling of 220101436 in words is "two hundred twenty million, one hundred one thousand, four hundred thirty-six".