220231002 has 16 divisors (see below), whose sum is σ = 449834112. Its totient is φ = 71848320.

The previous prime is 220231001. The next prime is 220231007. The reversal of 220231002 is 200132022.

It is not an unprimeable number, because it can be changed into a prime (220231001) 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 7 ways as a sum of consecutive naturals, for example, 390199 + ... + 390762.

It is an arithmetic number, because the mean of its divisors is an integer number (28114632).

Almost surely, 2^220231002 is an apocalyptic number.

220231002 is an abundant number, since it is smaller than the sum of its proper divisors (229603110).

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

220231002 is a wasteful number, since it uses less digits than its factorization.

220231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781013.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220231002 is about 14840.1820069701. The cubic root of 220231002 is about 603.8922899758.

Adding to 220231002 its reverse (200132022), we get a palindrome (420363024).

The spelling of 220231002 in words is "two hundred twenty million, two hundred thirty-one thousand, two".