20345233304426 has 8 divisors (see below), whose sum is σ = 31844712998304. Its totient is φ = 9730328971660.

The previous prime is 20345233304423. The next prime is 20345233304443. The reversal of 20345233304426 is 62440333254302.

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 (20345233304423) 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, 221143840220 + ... + 221143840311.

It is an arithmetic number, because the mean of its divisors is an integer number (3980589124788).

Almost surely, 2^{20345233304426} is an apocalyptic number.

20345233304426 is a deficient number, since it is larger than the sum of its proper divisors (11499479693878).

20345233304426 is a wasteful number, since it uses less digits than its factorization.

20345233304426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442287680556.

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 20345233304426 its reverse (62440333254302), we get a palindrome (82785566558728).

The spelling of 20345233304426 in words is "twenty trillion, three hundred forty-five billion, two hundred thirty-three million, three hundred four thousand, four hundred twenty-six".