20324425351 has 4 divisors (see below), whose sum is σ = 20330585704. Its totient is φ = 20318265000.

The previous prime is 20324425339. The next prime is 20324425391. The reversal of 20324425351 is 15352442302.

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 20324425351 - 2⁷ = 20324425223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324425301) 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, 3075225 + ... + 3081826.

It is an arithmetic number, because the mean of its divisors is an integer number (5082646426).

Almost surely, 2^20324425351 is an apocalyptic number.

20324425351 is a deficient number, since it is larger than the sum of its proper divisors (6160353).

20324425351 is an equidigital number, since it uses as much as digits as its factorization.

20324425351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160352.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20324425351 its reverse (15352442302), we get a palindrome (35676867653).

The spelling of 20324425351 in words is "twenty billion, three hundred twenty-four million, four hundred twenty-five thousand, three hundred fifty-one".