20312130110 has 16 divisors (see below), whose sum is σ = 36566481456. Its totient is φ = 8123819328.

The previous prime is 20312130103. The next prime is 20312130119. The reversal of 20312130110 is 1103121302.

It is a super-2 number, since 2×20312130110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312130119) 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 7 ways as a sum of consecutive naturals, for example, 43799 + ... + 206258.

It is an arithmetic number, because the mean of its divisors is an integer number (2285405091).

Almost surely, 2^20312130110 is an apocalyptic number.

20312130110 is a deficient number, since it is larger than the sum of its proper divisors (16254351346).

20312130110 is a wasteful number, since it uses less digits than its factorization.

20312130110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258187.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20312130110 its reverse (1103121302), we get a palindrome (21415251412).

The spelling of 20312130110 in words is "twenty billion, three hundred twelve million, one hundred thirty thousand, one hundred ten".