20124248983939 has 2 divisors, whose sum is σ = 20124248983940. Its totient is φ = 20124248983938.

The previous prime is 20124248983871. The next prime is 20124248983957. The reversal of 20124248983939 is 93938984242102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20124248983939 - 2²⁷ = 20124114766211 is a prime.

It is not a weakly prime, because it can be changed into another prime (20124248983039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062124491969 + 10062124491970.

It is an arithmetic number, because the mean of its divisors is an integer number (10062124491970).

Almost surely, 2^{20124248983939} is an apocalyptic number.

20124248983939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20124248983939 is an equidigital number, since it uses as much as digits as its factorization.

20124248983939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 20124248983939 in words is "twenty trillion, one hundred twenty-four billion, two hundred forty-eight million, nine hundred eighty-three thousand, nine hundred thirty-nine".