220039612 has 24 divisors (see below), whose sum is σ = 428070272. Its totient is φ = 98280000.

The previous prime is 220039607. The next prime is 220039613. The reversal of 220039612 is 216930022.

It is a happy number.

It is a super-2 number, since 2×220039612² = 96834861698221088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220039613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66639 + ... + 69862.

Almost surely, 2^220039612 is an apocalyptic number.

It is an amenable number.

220039612 is a deficient number, since it is larger than the sum of its proper divisors (208030660).

220039612 is a wasteful number, since it uses less digits than its factorization.

220039612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136549 (or 136547 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 220039612 is about 14833.7322343367. The cubic root of 220039612 is about 603.7173033459.

Adding to 220039612 its reverse (216930022), we get a palindrome (436969634).

The spelling of 220039612 in words is "two hundred twenty million, thirty-nine thousand, six hundred twelve".