20312232110 has 16 divisors (see below), whose sum is σ = 36564523632. Its totient is φ = 8124336000.

The previous prime is 20312232107. The next prime is 20312232119. The reversal of 20312232110 is 1123221302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312232119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104285 + ... + 226935.

It is an arithmetic number, because the mean of its divisors is an integer number (2285282727).

Almost surely, 2^20312232110 is an apocalyptic number.

20312232110 is a deficient number, since it is larger than the sum of its proper divisors (16252291522).

20312232110 is a wasteful number, since it uses less digits than its factorization.

20312232110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139219.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20312232110 its reverse (1123221302), we get a palindrome (21435453412).

The spelling of 20312232110 in words is "twenty billion, three hundred twelve million, two hundred thirty-two thousand, one hundred ten".