20113132110 has 64 divisors (see below), whose sum is σ = 48477489984. Its totient is φ = 5340672000.

The previous prime is 20113132093. The next prime is 20113132141. The reversal of 20113132110 is 1123131102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20113132110.

It is a congruent number.

It is an unprimeable number.

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, 8238490 + ... + 8240930.

It is an arithmetic number, because the mean of its divisors is an integer number (757460781).

Almost surely, 2^20113132110 is an apocalyptic number.

20113132110 is an abundant number, since it is smaller than the sum of its proper divisors (28364357874).

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

20113132110 is a wasteful number, since it uses less digits than its factorization.

20113132110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20113132110 its reverse (1123131102), we get a palindrome (21236263212).

The spelling of 20113132110 in words is "twenty billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred ten".