25469223020 has 12 divisors (see below), whose sum is σ = 53485368384. Its totient is φ = 10187689200.

The previous prime is 25469222993. The next prime is 25469223077. The reversal of 25469223020 is 2032296452.

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, 636730556 + ... + 636730595.

It is an arithmetic number, because the mean of its divisors is an integer number (4457114032).

Almost surely, 2^25469223020 is an apocalyptic number.

25469223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25469223020 is an abundant number, since it is smaller than the sum of its proper divisors (28016145364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25469223020 is a wasteful number, since it uses less digits than its factorization.

25469223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273461160 (or 1273461158 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 25469223020 in words is "twenty-five billion, four hundred sixty-nine million, two hundred twenty-three thousand, twenty".