20302013111 has 4 divisors (see below), whose sum is σ = 20336599752. Its totient is φ = 20267426472.

The previous prime is 20302013101. The next prime is 20302013113. The reversal of 20302013111 is 11131020302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11131020302 = 2 ⋅5565510151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302013111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302013113) 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, 17292440 + ... + 17293613.

It is an arithmetic number, because the mean of its divisors is an integer number (5084149938).

Almost surely, 2^20302013111 is an apocalyptic number.

20302013111 is a deficient number, since it is larger than the sum of its proper divisors (34586641).

20302013111 is an equidigital number, since it uses as much as digits as its factorization.

20302013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34586640.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20302013111 its reverse (11131020302), we get a palindrome (31433033413).

The spelling of 20302013111 in words is "twenty billion, three hundred two million, thirteen thousand, one hundred eleven".