220425500 has 48 divisors (see below), whose sum is σ = 496973568. Its totient is φ = 85320000.

The previous prime is 220425487. The next prime is 220425523. The reversal of 220425500 is 5524022.

220425500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8390 + ... + 22610.

It is an arithmetic number, because the mean of its divisors is an integer number (10353616).

Almost surely, 2^220425500 is an apocalyptic number.

220425500 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 220425500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248486784).

220425500 is an abundant number, since it is smaller than the sum of its proper divisors (276548068).

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

220425500 is a wasteful number, since it uses less digits than its factorization.

220425500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271 (or 14259 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 220425500 is about 14846.7336475064. The cubic root of 220425500 is about 604.0700143974.

Adding to 220425500 its reverse (5524022), we get a palindrome (225949522).

The spelling of 220425500 in words is "two hundred twenty million, four hundred twenty-five thousand, five hundred".