25063220 has 96 divisors (see below), whose sum is σ = 66382848. Its totient is φ = 7736832.

The previous prime is 25063189. The next prime is 25063243. The reversal of 25063220 is 2236052.

It is a happy number.

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 = 25063192 and 25063201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85394 + ... + 85686.

It is an arithmetic number, because the mean of its divisors is an integer number (691488).

Almost surely, 2^25063220 is an apocalyptic number.

25063220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25063220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33191424).

25063220 is an abundant number, since it is smaller than the sum of its proper divisors (41319628).

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

25063220 is a wasteful number, since it uses less digits than its factorization.

25063220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25063220 is about 5006.3180082771. The cubic root of 25063220 is about 292.6480415524.

Adding to 25063220 its reverse (2236052), we get a palindrome (27299272).

The spelling of 25063220 in words is "twenty-five million, sixty-three thousand, two hundred twenty".