2320220231 has 16 divisors (see below), whose sum is σ = 2815534080. Its totient is φ = 1866526080.

The previous prime is 2320220209. The next prime is 2320220233. The reversal of 2320220231 is 1320220232.

It is a cyclic number.

It is not a de Polignac number, because 2320220231 - 2¹⁸ = 2319958087 is a prime.

It is a super-2 number, since 2×2320220231² = 10766843840683386722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320220233) 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 15 ways as a sum of consecutive naturals, for example, 15566 + ... + 69876.

It is an arithmetic number, because the mean of its divisors is an integer number (175970880).

Almost surely, 2^2320220231 is an apocalyptic number.

2320220231 is a deficient number, since it is larger than the sum of its proper divisors (495313849).

2320220231 is a wasteful number, since it uses less digits than its factorization.

2320220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54694.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2320220231 is about 48168.6644095516. The cubic root of 2320220231 is about 1323.8630771397.

Adding to 2320220231 its reverse (1320220232), we get a palindrome (3640440463).

Subtracting from 2320220231 its reverse (1320220232), we obtain a palindrome (999999999).

The spelling of 2320220231 in words is "two billion, three hundred twenty million, two hundred twenty thousand, two hundred thirty-one".