20132690839 has 2 divisors, whose sum is σ = 20132690840. Its totient is φ = 20132690838.

The previous prime is 20132690821. The next prime is 20132690843. The reversal of 20132690839 is 93809623102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20132690839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20132690795 and 20132690804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132690939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066345419 + 10066345420.

It is an arithmetic number, because the mean of its divisors is an integer number (10066345420).

Almost surely, 2^20132690839 is an apocalyptic number.

20132690839 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132690839 is an equidigital number, since it uses as much as digits as its factorization.

20132690839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 20132690839 in words is "twenty billion, one hundred thirty-two million, six hundred ninety thousand, eight hundred thirty-nine".