20013301121 has 16 divisors (see below), whose sum is σ = 22955885568. Its totient is φ = 17269995600.

The previous prime is 20013301081. The next prime is 20013301159. The reversal of 20013301121 is 12110331002.

It is a de Polignac number, because none of the positive numbers 2^k-20013301121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20013301096 and 20013301105.

It is not an unprimeable number, because it can be changed into a prime (20013301171) 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, 268781 + ... + 335066.

It is an arithmetic number, because the mean of its divisors is an integer number (1434742848).

Almost surely, 2^20013301121 is an apocalyptic number.

It is an amenable number.

20013301121 is a deficient number, since it is larger than the sum of its proper divisors (2942584447).

20013301121 is a wasteful number, since it uses less digits than its factorization.

20013301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604012.

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

Adding to 20013301121 its reverse (12110331002), we get a palindrome (32123632123).

The spelling of 20013301121 in words is "twenty billion, thirteen million, three hundred one thousand, one hundred twenty-one".