25220323124 has 24 divisors (see below), whose sum is σ = 46130477568. Its totient is φ = 12041995680.

The previous prime is 25220323103. The next prime is 25220323127. The reversal of 25220323124 is 42132302252.

It is a junction number, because it is equal to n+sod(n) for n = 25220323093 and 25220323102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25220323127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169967 + ... + 281654.

It is an arithmetic number, because the mean of its divisors is an integer number (1922103232).

Almost surely, 2^25220323124 is an apocalyptic number.

It is an amenable number.

25220323124 is a deficient number, since it is larger than the sum of its proper divisors (20910154444).

25220323124 is a wasteful number, since it uses less digits than its factorization.

25220323124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452255 (or 452253 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 25220323124 its reverse (42132302252), we get a palindrome (67352625376).

The spelling of 25220323124 in words is "twenty-five billion, two hundred twenty million, three hundred twenty-three thousand, one hundred twenty-four".