25300220 has 24 divisors (see below), whose sum is σ = 57961008. Its totient is φ = 9200000.

The previous prime is 25300189. The next prime is 25300237. The reversal of 25300220 is 2200352.

It is a super-2 number, since 2×25300220² = 1280202264096800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25300195 and 25300204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57281 + ... + 57720.

It is an arithmetic number, because the mean of its divisors is an integer number (2415042).

Almost surely, 2^25300220 is an apocalyptic number.

25300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25300220 is an abundant number, since it is smaller than the sum of its proper divisors (32660788).

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

25300220 is a wasteful number, since it uses less digits than its factorization.

25300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115021 (or 115019 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 25300220 is about 5029.9324051124. The cubic root of 25300220 is about 293.5675843460.

Adding to 25300220 its reverse (2200352), we get a palindrome (27500572).

The spelling of 25300220 in words is "twenty-five million, three hundred thousand, two hundred twenty".