20413240039 has 16 divisors (see below), whose sum is σ = 20727705600. Its totient is φ = 20101957920.

The previous prime is 20413240037. The next prime is 20413240061. The reversal of 20413240039 is 93004231402.

It is a cyclic number.

It is not a de Polignac number, because 20413240039 - 2¹ = 20413240037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413239989 and 20413240016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413240037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9003384 + ... + 9005650.

It is an arithmetic number, because the mean of its divisors is an integer number (1295481600).

Almost surely, 2^20413240039 is an apocalyptic number.

20413240039 is a deficient number, since it is larger than the sum of its proper divisors (314465561).

20413240039 is a wasteful number, since it uses less digits than its factorization.

20413240039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20413240039 in words is "twenty billion, four hundred thirteen million, two hundred forty thousand, thirty-nine".