220265612 has 48 divisors (see below), whose sum is σ = 453456192. Its totient is φ = 91653120.

The previous prime is 220265611. The next prime is 220265629. The reversal of 220265612 is 216562022.

It is not an unprimeable number, because it can be changed into a prime (220265611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359018 + ... + 359630.

It is an arithmetic number, because the mean of its divisors is an integer number (9447004).

Almost surely, 2^220265612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220265612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226728096).

220265612 is an abundant number, since it is smaller than the sum of its proper divisors (233190580).

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

220265612 is a wasteful number, since it uses less digits than its factorization.

220265612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 220265612 is about 14841.3480519796. The cubic root of 220265612 is about 603.9239228479.

The spelling of 220265612 in words is "two hundred twenty million, two hundred sixty-five thousand, six hundred twelve".