20120231110 has 64 divisors (see below), whose sum is σ = 42553423872. Its totient is φ = 6704885376.

The previous prime is 20120231107. The next prime is 20120231113. The reversal of 20120231110 is 1113202102.

It is an interprime number because it is at equal distance from previous prime (20120231107) and next prime (20120231113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2853249 + ... + 2860291.

It is an arithmetic number, because the mean of its divisors is an integer number (664897248).

Almost surely, 2^20120231110 is an apocalyptic number.

20120231110 is an abundant number, since it is smaller than the sum of its proper divisors (22433192762).

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

20120231110 is a wasteful number, since it uses less digits than its factorization.

20120231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20120231110 its reverse (1113202102), we get a palindrome (21233433212).

The spelling of 20120231110 in words is "twenty billion, one hundred twenty million, two hundred thirty-one thousand, one hundred ten".