20345324926 has 4 divisors (see below), whose sum is σ = 30517987392. Its totient is φ = 10172662462.

The previous prime is 20345324921. The next prime is 20345324927. The reversal of 20345324926 is 62942354302.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345324921) 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 as a sum of consecutive naturals, namely, 5086331230 + ... + 5086331233.

It is an arithmetic number, because the mean of its divisors is an integer number (7629496848).

Almost surely, 2^20345324926 is an apocalyptic number.

20345324926 is a deficient number, since it is larger than the sum of its proper divisors (10172662466).

20345324926 is a wasteful number, since it uses less digits than its factorization.

20345324926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172662465.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 20345324926 in words is "twenty billion, three hundred forty-five million, three hundred twenty-four thousand, nine hundred twenty-six".