20325106267 has 4 divisors (see below), whose sum is σ = 20338831656. Its totient is φ = 20311380880.

The previous prime is 20325106247. The next prime is 20325106283. The reversal of 20325106267 is 76260152302.

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

It is a cyclic number.

It is not a de Polignac number, because 20325106267 - 2¹⁵ = 20325073499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20325106247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6860473 + ... + 6863434.

It is an arithmetic number, because the mean of its divisors is an integer number (5084707914).

Almost surely, 2^20325106267 is an apocalyptic number.

20325106267 is a deficient number, since it is larger than the sum of its proper divisors (13725389).

20325106267 is a wasteful number, since it uses less digits than its factorization.

20325106267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13725388.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 20325106267 its reverse (76260152302), we get a palindrome (96585258569).

The spelling of 20325106267 in words is "twenty billion, three hundred twenty-five million, one hundred six thousand, two hundred sixty-seven".