20020123113 has 8 divisors (see below), whose sum is σ = 27554578176. Its totient is φ = 12916208400.

The previous prime is 20020123061. The next prime is 20020123127. The reversal of 20020123113 is 31132102002.

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

It is not a de Polignac number, because 20020123113 - 2³⁴ = 2840253929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020123092 and 20020123101.

It is not an unprimeable number, because it can be changed into a prime (20020123913) 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, 107634978 + ... + 107635163.

It is an arithmetic number, because the mean of its divisors is an integer number (3444322272).

Almost surely, 2^20020123113 is an apocalyptic number.

It is an amenable number.

20020123113 is a deficient number, since it is larger than the sum of its proper divisors (7534455063).

20020123113 is a wasteful number, since it uses less digits than its factorization.

20020123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215270175.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20020123113 its reverse (31132102002), we get a palindrome (51152225115).

The spelling of 20020123113 in words is "twenty billion, twenty million, one hundred twenty-three thousand, one hundred thirteen".