20310302479 has 2 divisors, whose sum is σ = 20310302480. Its totient is φ = 20310302478.

The previous prime is 20310302473. The next prime is 20310302527. The reversal of 20310302479 is 97420301302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20310302479 - 2⁷ = 20310302351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20310302479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310302473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155151239 + 10155151240.

It is an arithmetic number, because the mean of its divisors is an integer number (10155151240).

Almost surely, 2^20310302479 is an apocalyptic number.

20310302479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310302479 is an equidigital number, since it uses as much as digits as its factorization.

20310302479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 20310302479 in words is "twenty billion, three hundred ten million, three hundred two thousand, four hundred seventy-nine".