20007523067 has 4 divisors (see below), whose sum is σ = 22865740656. Its totient is φ = 17149305480.

The previous prime is 20007523043. The next prime is 20007523093. The reversal of 20007523067 is 76032570002.

It is a happy number.

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 20007523067 - 2¹⁶ = 20007457531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007523007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429108784 + ... + 1429108797.

It is an arithmetic number, because the mean of its divisors is an integer number (5716435164).

Almost surely, 2^20007523067 is an apocalyptic number.

20007523067 is a deficient number, since it is larger than the sum of its proper divisors (2858217589).

20007523067 is an equidigital number, since it uses as much as digits as its factorization.

20007523067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858217588.

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 20007523067 in words is "twenty billion, seven million, five hundred twenty-three thousand, sixty-seven".