220031201 has 16 divisors (see below), whose sum is σ = 241597440. Its totient is φ = 199160640.

The previous prime is 220031177. The next prime is 220031213. The reversal of 220031201 is 102130022.

It is a happy number.

220031201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220031201 - 2¹⁸ = 219769057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220031281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205295 + ... + 206363.

It is an arithmetic number, because the mean of its divisors is an integer number (15099840).

Almost surely, 2^220031201 is an apocalyptic number.

It is an amenable number.

220031201 is a deficient number, since it is larger than the sum of its proper divisors (21566239).

220031201 is a wasteful number, since it uses less digits than its factorization.

220031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 220031201 is about 14833.4487223976. The cubic root of 220031201 is about 603.7096108962.

Adding to 220031201 its reverse (102130022), we get a palindrome (322161223).

The spelling of 220031201 in words is "two hundred twenty million, thirty-one thousand, two hundred one".