434430204020 has 96 divisors (see below), whose sum is σ = 1007674214400. Its totient is φ = 156588246144.

The previous prime is 434430204017. The next prime is 434430204031. The reversal of 434430204020 is 20402034434.

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, 1425617 + ... + 1703303.

It is an arithmetic number, because the mean of its divisors is an integer number (10496606400).

Almost surely, 2^434430204020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434430204020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503837107200).

434430204020 is an abundant number, since it is smaller than the sum of its proper divisors (573244010380).

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

434430204020 is a wasteful number, since it uses less digits than its factorization.

434430204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277917 (or 277915 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 434430204020 its reverse (20402034434), we get a palindrome (454832238454).

The spelling of 434430204020 in words is "four hundred thirty-four billion, four hundred thirty million, two hundred four thousand, twenty".