20200123200113 has 4 divisors (see below), whose sum is σ = 20851740077568. Its totient is φ = 19548506322660.

The previous prime is 20200123200109. The next prime is 20200123200137. The reversal of 20200123200113 is 31100232100202.

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 20200123200113 - 2² = 20200123200109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200123200091 and 20200123200100.

It is not an unprimeable number, because it can be changed into a prime (20200123200163) 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, 325808438681 + ... + 325808438742.

It is an arithmetic number, because the mean of its divisors is an integer number (5212935019392).

Almost surely, 2^{20200123200113} is an apocalyptic number.

It is an amenable number.

20200123200113 is a deficient number, since it is larger than the sum of its proper divisors (651616877455).

20200123200113 is an equidigital number, since it uses as much as digits as its factorization.

20200123200113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651616877454.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20200123200113 its reverse (31100232100202), we get a palindrome (51300355300315).

The spelling of 20200123200113 in words is "twenty trillion, two hundred billion, one hundred twenty-three million, two hundred thousand, one hundred thirteen".