20425032223 has 2 divisors, whose sum is σ = 20425032224. Its totient is φ = 20425032222.

The previous prime is 20425032179. The next prime is 20425032241. The reversal of 20425032223 is 32223052402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20425032223 - 2¹³ = 20425024031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20425032283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212516111 + 10212516112.

It is an arithmetic number, because the mean of its divisors is an integer number (10212516112).

Almost surely, 2^20425032223 is an apocalyptic number.

20425032223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20425032223 is an equidigital number, since it uses as much as digits as its factorization.

20425032223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20425032223 its reverse (32223052402), we get a palindrome (52648084625).

The spelling of 20425032223 in words is "twenty billion, four hundred twenty-five million, thirty-two thousand, two hundred twenty-three".