20201113239 has 24 divisors (see below), whose sum is σ = 27876541056. Its totient is φ = 13011038400.

The previous prime is 20201113237. The next prime is 20201113259. The reversal of 20201113239 is 93231110202.

It is not a de Polignac number, because 20201113239 - 2¹ = 20201113237 is a prime.

It is a super-2 number, since 2×20201113239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201113237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499984 + ... + 538874.

It is an arithmetic number, because the mean of its divisors is an integer number (1161522544).

Almost surely, 2^20201113239 is an apocalyptic number.

20201113239 is a deficient number, since it is larger than the sum of its proper divisors (7675427817).

20201113239 is a wasteful number, since it uses less digits than its factorization.

20201113239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39079 (or 39038 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 20201113239 in words is "twenty billion, two hundred one million, one hundred thirteen thousand, two hundred thirty-nine".