220204434 has 32 divisors (see below), whose sum is σ = 469048320. Its totient is φ = 68678912.

The previous prime is 220204409. The next prime is 220204459. The reversal of 220204434 is 434402022.

It is an interprime number because it is at equal distance from previous prime (220204409) and next prime (220204459).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220204434.

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, 11407 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (14657760).

Almost surely, 2^220204434 is an apocalyptic number.

220204434 is an abundant number, since it is smaller than the sum of its proper divisors (248843886).

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

220204434 is a wasteful number, since it uses less digits than its factorization.

220204434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 220204434 is about 14839.2868427024. The cubic root of 220204434 is about 603.8680050879.

Adding to 220204434 its reverse (434402022), we get a palindrome (654606456).

The spelling of 220204434 in words is "two hundred twenty million, two hundred four thousand, four hundred thirty-four".