20344725315067 has 4 divisors (see below), whose sum is σ = 20345170569976. Its totient is φ = 20344280060160.

The previous prime is 20344725315043. The next prime is 20344725315139. The reversal of 20344725315067 is 76051352744302.

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 20344725315067 - 2¹¹ = 20344725313019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20344725315067.

It is not an unprimeable number, because it can be changed into a prime (20344725315007) 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, 222558909 + ... + 222650302.

It is an arithmetic number, because the mean of its divisors is an integer number (5086292642494).

Almost surely, 2^{20344725315067} is an apocalyptic number.

20344725315067 is a deficient number, since it is larger than the sum of its proper divisors (445254909).

20344725315067 is an equidigital number, since it uses as much as digits as its factorization.

20344725315067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445254908.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 20344725315067 in words is "twenty trillion, three hundred forty-four billion, seven hundred twenty-five million, three hundred fifteen thousand, sixty-seven".