20322519967 has 4 divisors (see below), whose sum is σ = 21517962336. Its totient is φ = 19127077600.

The previous prime is 20322519941. The next prime is 20322520019. The reversal of 20322519967 is 76991522302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322519967 is a prime.

It is a super-2 number, since 2×20322519967² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322519937) 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 in 3 ways as a sum of consecutive naturals, for example, 597721159 + ... + 597721192.

It is an arithmetic number, because the mean of its divisors is an integer number (5379490584).

Almost surely, 2^20322519967 is an apocalyptic number.

20322519967 is a deficient number, since it is larger than the sum of its proper divisors (1195442369).

20322519967 is a wasteful number, since it uses less digits than its factorization.

20322519967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195442368.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 20322519967 in words is "twenty billion, three hundred twenty-two million, five hundred nineteen thousand, nine hundred sixty-seven".