25510220332 has 12 divisors (see below), whose sum is σ = 47268937800. Its totient is φ = 12004809536.

The previous prime is 25510220317. The next prime is 25510220353. The reversal of 25510220332 is 23302201552.

It is a junction number, because it is equal to n+sod(n) for n = 25510220297 and 25510220306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187575082 + ... + 187575217.

It is an arithmetic number, because the mean of its divisors is an integer number (3939078150).

Almost surely, 2^25510220332 is an apocalyptic number.

It is an amenable number.

25510220332 is a deficient number, since it is larger than the sum of its proper divisors (21758717468).

25510220332 is a wasteful number, since it uses less digits than its factorization.

25510220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375150320 (or 375150318 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 25510220332 its reverse (23302201552), we get a palindrome (48812421884).

The spelling of 25510220332 in words is "twenty-five billion, five hundred ten million, two hundred twenty thousand, three hundred thirty-two".