20020312113 has 16 divisors (see below), whose sum is σ = 26736405696. Its totient is φ = 13325569280.

The previous prime is 20020312111. The next prime is 20020312121. The reversal of 20020312113 is 31121302002.

It is a cyclic number.

It is not a de Polignac number, because 20020312113 - 2¹ = 20020312111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020312092 and 20020312101.

It is not an unprimeable number, because it can be changed into a prime (20020312111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9875806 + ... + 9877832.

It is an arithmetic number, because the mean of its divisors is an integer number (1671025356).

Almost surely, 2^20020312113 is an apocalyptic number.

It is an amenable number.

20020312113 is a deficient number, since it is larger than the sum of its proper divisors (6716093583).

20020312113 is a wasteful number, since it uses less digits than its factorization.

20020312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664.

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

Adding to 20020312113 its reverse (31121302002), we get a palindrome (51141614115).

The spelling of 20020312113 in words is "twenty billion, twenty million, three hundred twelve thousand, one hundred thirteen".