20020835039 has 2 divisors, whose sum is σ = 20020835040. Its totient is φ = 20020835038.

The previous prime is 20020834993. The next prime is 20020835041. The reversal of 20020835039 is 93053802002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020835039 - 2²⁰ = 20019786463 is a prime.

Together with 20020835041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020834996 and 20020835014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020835099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010417519 + 10010417520.

It is an arithmetic number, because the mean of its divisors is an integer number (10010417520).

Almost surely, 2^20020835039 is an apocalyptic number.

20020835039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020835039 is an equidigital number, since it uses as much as digits as its factorization.

20020835039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 20020835039 in words is "twenty billion, twenty million, eight hundred thirty-five thousand, thirty-nine".