220325436 has 18 divisors (see below), whose sum is σ = 556933832. Its totient is φ = 73441800.

The previous prime is 220325429. The next prime is 220325453. The reversal of 220325436 is 634523022.

220325436 is a `hidden beast` number, since 2 + 203 + 25 + 436 = 666.

220325436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3060040 + ... + 3060111.

Almost surely, 2^220325436 is an apocalyptic number.

It is an amenable number.

220325436 is an abundant number, since it is smaller than the sum of its proper divisors (336608396).

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

220325436 is a wasteful number, since it uses less digits than its factorization.

220325436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120161 (or 6120156 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 220325436 is about 14843.3633654910. The cubic root of 220325436 is about 603.9785930164.

Adding to 220325436 its reverse (634523022), we get a palindrome (854848458).

The spelling of 220325436 in words is "two hundred twenty million, three hundred twenty-five thousand, four hundred thirty-six".