20332231967 has 2 divisors, whose sum is σ = 20332231968. Its totient is φ = 20332231966.

The previous prime is 20332231957. The next prime is 20332232029. The reversal of 20332231967 is 76913223302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20332231967 - 2¹⁴ = 20332215583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20332231967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332231957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166115983 + 10166115984.

It is an arithmetic number, because the mean of its divisors is an integer number (10166115984).

Almost surely, 2^20332231967 is an apocalyptic number.

20332231967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332231967 is an equidigital number, since it uses as much as digits as its factorization.

20332231967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 20332231967 in words is "twenty billion, three hundred thirty-two million, two hundred thirty-one thousand, nine hundred sixty-seven".