20102120113 has 8 divisors (see below), whose sum is σ = 20222153280. Its totient is φ = 19982173200.

The previous prime is 20102120107. The next prime is 20102120117. The reversal of 20102120113 is 31102120102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102120113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102120093 and 20102120102.

It is not an unprimeable number, because it can be changed into a prime (20102120117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480588 + ... + 520738.

It is an arithmetic number, because the mean of its divisors is an integer number (2527769160).

Almost surely, 2^20102120113 is an apocalyptic number.

It is an amenable number.

20102120113 is a deficient number, since it is larger than the sum of its proper divisors (120033167).

20102120113 is a wasteful number, since it uses less digits than its factorization.

20102120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43127.

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

Adding to 20102120113 its reverse (31102120102), we get a palindrome (51204240215).

The spelling of 20102120113 in words is "twenty billion, one hundred two million, one hundred twenty thousand, one hundred thirteen".