220000434 has 16 divisors (see below), whose sum is σ = 465883488. Its totient is φ = 69019712.

The previous prime is 220000423. The next prime is 220000457. The reversal of 220000434 is 434000022.

It is a happy number.

220000434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1078332 + ... + 1078535.

It is an arithmetic number, because the mean of its divisors is an integer number (29117718).

Almost surely, 2^220000434 is an apocalyptic number.

220000434 is an abundant number, since it is smaller than the sum of its proper divisors (245883054).

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

220000434 is a wasteful number, since it uses less digits than its factorization.

220000434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156889.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220000434 is about 14832.4116043211. The cubic root of 220000434 is about 603.6814706455.

Adding to 220000434 its reverse (434000022), we get a palindrome (654000456).

The spelling of 220000434 in words is "two hundred twenty million, four hundred thirty-four", and thus it is an aban number.