220238712 has 24 divisors (see below), whose sum is σ = 596480040. Its totient is φ = 73412880.

The previous prime is 220238659. The next prime is 220238717. The reversal of 220238712 is 217832022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220238717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1529364 + ... + 1529507.

It is an arithmetic number, because the mean of its divisors is an integer number (24853335).

Almost surely, 2^220238712 is an apocalyptic number.

It is an amenable number.

220238712 is an abundant number, since it is smaller than the sum of its proper divisors (376241328).

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

220238712 is a wasteful number, since it uses less digits than its factorization.

220238712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058883 (or 3058876 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 220238712 is about 14840.4417724002. The cubic root of 220238712 is about 603.8993370539.

The spelling of 220238712 in words is "two hundred twenty million, two hundred thirty-eight thousand, seven hundred twelve".