20313110 has 16 divisors (see below), whose sum is σ = 37184400. Its totient is φ = 7987296.

The previous prime is 20313089. The next prime is 20313119. The reversal of 20313110 is 1131302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20313091 and 20313100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313119) 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 7 ways as a sum of consecutive naturals, for example, 16625 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (2324025).

Almost surely, 2^20313110 is an apocalyptic number.

20313110 is a deficient number, since it is larger than the sum of its proper divisors (16871290).

20313110 is a wasteful number, since it uses less digits than its factorization.

20313110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34495.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 20313110 is about 4507.0067672459. The cubic root of 20313110 is about 272.8509520186.

Adding to 20313110 its reverse (1131302), we get a palindrome (21444412).

The spelling of 20313110 in words is "twenty million, three hundred thirteen thousand, one hundred ten".