20112425321 has 4 divisors (see below), whose sum is σ = 20540349312. Its totient is φ = 19684501332.

The previous prime is 20112425293. The next prime is 20112425329. The reversal of 20112425321 is 12352421102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20112425321 - 2³⁰ = 19038683497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112425329) 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, 213961925 + ... + 213962018.

It is an arithmetic number, because the mean of its divisors is an integer number (5135087328).

Almost surely, 2^20112425321 is an apocalyptic number.

It is an amenable number.

20112425321 is a deficient number, since it is larger than the sum of its proper divisors (427923991).

20112425321 is an equidigital number, since it uses as much as digits as its factorization.

20112425321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427923990.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20112425321 its reverse (12352421102), we get a palindrome (32464846423).

The spelling of 20112425321 in words is "twenty billion, one hundred twelve million, four hundred twenty-five thousand, three hundred twenty-one".