20264545967 has 8 divisors (see below), whose sum is σ = 20291084352. Its totient is φ = 20238026400.

The previous prime is 20264545949. The next prime is 20264545997. The reversal of 20264545967 is 76954546202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20264545967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20264545997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4405913 + ... + 4410509.

It is an arithmetic number, because the mean of its divisors is an integer number (2536385544).

Almost surely, 2^20264545967 is an apocalyptic number.

20264545967 is a deficient number, since it is larger than the sum of its proper divisors (26538385).

20264545967 is a wasteful number, since it uses less digits than its factorization.

20264545967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 20264545967 in words is "twenty billion, two hundred sixty-four million, five hundred forty-five thousand, nine hundred sixty-seven".