220031302 has 8 divisors (see below), whose sum is σ = 336274416. Its totient is φ = 107939832.

The previous prime is 220031291. The next prime is 220031303. The reversal of 220031302 is 203130022.

It is a happy number.

220031302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220031303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037778 + ... + 1037989.

It is an arithmetic number, because the mean of its divisors is an integer number (42034302).

Almost surely, 2^220031302 is an apocalyptic number.

220031302 is a deficient number, since it is larger than the sum of its proper divisors (116243114).

220031302 is a wasteful number, since it uses less digits than its factorization.

220031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075822.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220031302 is about 14833.4521268651. The cubic root of 220031302 is about 603.7097032689.

Adding to 220031302 its reverse (203130022), we get a palindrome (423161324).

The spelling of 220031302 in words is "two hundred twenty million, thirty-one thousand, three hundred two".