20425231303 has 2 divisors, whose sum is σ = 20425231304. Its totient is φ = 20425231302.

The previous prime is 20425231301. The next prime is 20425231373. The reversal of 20425231303 is 30313252402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20425231303 - 2¹ = 20425231301 is a prime.

Together with 20425231301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20425231301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212615651 + 10212615652.

It is an arithmetic number, because the mean of its divisors is an integer number (10212615652).

Almost surely, 2^20425231303 is an apocalyptic number.

20425231303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20425231303 is an equidigital number, since it uses as much as digits as its factorization.

20425231303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20425231303 its reverse (30313252402), we get a palindrome (50738483705).

The spelling of 20425231303 in words is "twenty billion, four hundred twenty-five million, two hundred thirty-one thousand, three hundred three".