20413331189 has 2 divisors, whose sum is σ = 20413331190. Its totient is φ = 20413331188.

The previous prime is 20413331177. The next prime is 20413331209. The reversal of 20413331189 is 98113331402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15464912164 + 4948419025 = 124358^2 + 70345^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413331189 - 2⁴ = 20413331173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413331149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206665594 + 10206665595.

It is an arithmetic number, because the mean of its divisors is an integer number (10206665595).

Almost surely, 2^20413331189 is an apocalyptic number.

It is an amenable number.

20413331189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413331189 is an equidigital number, since it uses as much as digits as its factorization.

20413331189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20413331189 in words is "twenty billion, four hundred thirteen million, three hundred thirty-one thousand, one hundred eighty-nine".