20113113102 has 8 divisors (see below), whose sum is σ = 40226226216. Its totient is φ = 6704371032.

The previous prime is 20113113091. The next prime is 20113113103. The reversal of 20113113102 is 20131131102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20113113102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113113103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676092753 + ... + 1676092764.

It is an arithmetic number, because the mean of its divisors is an integer number (5028278277).

Almost surely, 2^20113113102 is an apocalyptic number.

20113113102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20113113102 is a wasteful number, since it uses less digits than its factorization.

20113113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352185522.

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

Adding to 20113113102 its reverse (20131131102), we get a palindrome (40244244204).

It can be divided in two parts, 2011 and 3113102, that added together give a palindrome (3115113).

The spelling of 20113113102 in words is "twenty billion, one hundred thirteen million, one hundred thirteen thousand, one hundred two".