20302103279 has 2 divisors, whose sum is σ = 20302103280. Its totient is φ = 20302103278.

The previous prime is 20302103249. The next prime is 20302103347. The reversal of 20302103279 is 97230120302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20302103279 - 2²⁰ = 20301054703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302103249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151051639 + 10151051640.

It is an arithmetic number, because the mean of its divisors is an integer number (10151051640).

Almost surely, 2^20302103279 is an apocalyptic number.

20302103279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302103279 is an equidigital number, since it uses as much as digits as its factorization.

20302103279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 20302103279 in words is "twenty billion, three hundred two million, one hundred three thousand, two hundred seventy-nine".