20375811945826 has 8 divisors (see below), whose sum is σ = 30564609950160. Its totient is φ = 10187608629108.

The previous prime is 20375811945821. The next prime is 20375811945857. The reversal of 20375811945826 is 62854911857302.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20375811945821) 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, 148586236 + ... + 148723303.

It is an arithmetic number, because the mean of its divisors is an integer number (3820576243770).

It is a 2-persistent number, because it is pandigital, and so is 2⋅20375811945826 = 40751623891652, but 3⋅20375811945826 = 61127435837478 is not.

Almost surely, 2^{20375811945826} is an apocalyptic number.

20375811945826 is a deficient number, since it is larger than the sum of its proper divisors (10188798004334).

20375811945826 is a wasteful number, since it uses less digits than its factorization.

20375811945826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297343808.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 20375811945826 in words is "twenty trillion, three hundred seventy-five billion, eight hundred eleven million, nine hundred forty-five thousand, eight hundred twenty-six".