25413210020 has 24 divisors (see below), whose sum is σ = 58219354368. Its totient is φ = 9241167200.

The previous prime is 25413209953. The next prime is 25413210079. The reversal of 25413210020 is 2001231452.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 25413209974 and 25413210001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57757076 + ... + 57757515.

It is an arithmetic number, because the mean of its divisors is an integer number (2425806432).

Almost surely, 2^25413210020 is an apocalyptic number.

25413210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25413210020 is an abundant number, since it is smaller than the sum of its proper divisors (32806144348).

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

25413210020 is a wasteful number, since it uses less digits than its factorization.

25413210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115514611 (or 115514609 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 25413210020 its reverse (2001231452), we get a palindrome (27414441472).

The spelling of 25413210020 in words is "twenty-five billion, four hundred thirteen million, two hundred ten thousand, twenty".