20424013039 has 2 divisors, whose sum is σ = 20424013040. Its totient is φ = 20424013038.

The previous prime is 20424013009. The next prime is 20424013097. The reversal of 20424013039 is 93031042402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20424013039 - 2¹⁵ = 20423980271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20424012998 and 20424013016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424013009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212006519 + 10212006520.

It is an arithmetic number, because the mean of its divisors is an integer number (10212006520).

Almost surely, 2^20424013039 is an apocalyptic number.

20424013039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424013039 is an equidigital number, since it uses as much as digits as its factorization.

20424013039 is an evil number, because the sum of its binary digits is even.

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

The spelling of 20424013039 in words is "twenty billion, four hundred twenty-four million, thirteen thousand, thirty-nine".