20189830967 has 2 divisors, whose sum is σ = 20189830968. Its totient is φ = 20189830966.

The previous prime is 20189830961. The next prime is 20189830981. The reversal of 20189830967 is 76903898102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20189830967 - 2¹² = 20189826871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20189830961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10094915483 + 10094915484.

It is an arithmetic number, because the mean of its divisors is an integer number (10094915484).

Almost surely, 2^20189830967 is an apocalyptic number.

20189830967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20189830967 is an equidigital number, since it uses as much as digits as its factorization.

20189830967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 20189830967 in words is "twenty billion, one hundred eighty-nine million, eight hundred thirty thousand, nine hundred sixty-seven".