220312312302 has 64 divisors (see below), whose sum is σ = 468229155840. Its totient is φ = 68913244800.

The previous prime is 220312312279. The next prime is 220312312307. The reversal of 220312312302 is 203213213022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220312312307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5324052 + ... + 5365272.

It is an arithmetic number, because the mean of its divisors is an integer number (7316080560).

Almost surely, 2^220312312302 is an apocalyptic number.

220312312302 is an abundant number, since it is smaller than the sum of its proper divisors (247916843538).

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

220312312302 is a wasteful number, since it uses less digits than its factorization.

220312312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41689.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220312312302 its reverse (203213213022), we get a palindrome (423525525324).

The spelling of 220312312302 in words is "two hundred twenty billion, three hundred twelve million, three hundred twelve thousand, three hundred two".