20130920113 has 4 divisors (see below), whose sum is σ = 20188934640. Its totient is φ = 20072905588.

The previous prime is 20130920087. The next prime is 20130920129. The reversal of 20130920113 is 31102903102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20130920113 - 2⁵ = 20130920081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130920143) 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, 29006743 + ... + 29007436.

It is an arithmetic number, because the mean of its divisors is an integer number (5047233660).

Almost surely, 2^20130920113 is an apocalyptic number.

It is an amenable number.

20130920113 is a deficient number, since it is larger than the sum of its proper divisors (58014527).

20130920113 is an equidigital number, since it uses as much as digits as its factorization.

20130920113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58014526.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 20130920113 in words is "twenty billion, one hundred thirty million, nine hundred twenty thousand, one hundred thirteen".