20424433039 has 2 divisors, whose sum is σ = 20424433040. Its totient is φ = 20424433038.

The previous prime is 20424432991. The next prime is 20424433079. The reversal of 20424433039 is 93033442402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20424433039 - 2¹³ = 20424424847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20424432995 and 20424433013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424433079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212216519 + 10212216520.

It is an arithmetic number, because the mean of its divisors is an integer number (10212216520).

Almost surely, 2^20424433039 is an apocalyptic number.

20424433039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424433039 is an equidigital number, since it uses as much as digits as its factorization.

20424433039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 20424433039 in words is "twenty billion, four hundred twenty-four million, four hundred thirty-three thousand, thirty-nine".