20323202850479 has 2 divisors, whose sum is σ = 20323202850480. Its totient is φ = 20323202850478.

The previous prime is 20323202850407. The next prime is 20323202850539. The reversal of 20323202850479 is 97405820232302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323202850479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323202850079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161601425239 + 10161601425240.

It is an arithmetic number, because the mean of its divisors is an integer number (10161601425240).

Almost surely, 2^{20323202850479} is an apocalyptic number.

20323202850479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323202850479 is an equidigital number, since it uses as much as digits as its factorization.

20323202850479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 20323202850479 in words is "twenty trillion, three hundred twenty-three billion, two hundred two million, eight hundred fifty thousand, four hundred seventy-nine".