20524544039 has 2 divisors, whose sum is σ = 20524544040. Its totient is φ = 20524544038.

The previous prime is 20524543981. The next prime is 20524544087. The reversal of 20524544039 is 93044542502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20524544039 - 2⁸ = 20524543783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20524543993 and 20524544011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20524544639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262272019 + 10262272020.

It is an arithmetic number, because the mean of its divisors is an integer number (10262272020).

Almost surely, 2^20524544039 is an apocalyptic number.

20524544039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20524544039 is an equidigital number, since it uses as much as digits as its factorization.

20524544039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 20524544039 in words is "twenty billion, five hundred twenty-four million, five hundred forty-four thousand, thirty-nine".