220513712 has 10 divisors (see below), whose sum is σ = 427245348. Its totient is φ = 110256848.

The previous prime is 220513697. The next prime is 220513721. The reversal of 220513712 is 217315022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891038 + ... + 6891069.

Almost surely, 2^220513712 is an apocalyptic number.

It is an amenable number.

220513712 is a deficient number, since it is larger than the sum of its proper divisors (206731636).

220513712 is a wasteful number, since it uses less digits than its factorization.

220513712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782115 (or 13782109 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 220513712 is about 14849.7041047962. The cubic root of 220513712 is about 604.1505845031.

Adding to 220513712 its reverse (217315022), we get a palindrome (437828734).

The spelling of 220513712 in words is "two hundred twenty million, five hundred thirteen thousand, seven hundred twelve".