434433021020 has 48 divisors (see below), whose sum is σ = 945403377408. Its totient is φ = 167513210880.

The previous prime is 434433020999. The next prime is 434433021031. The reversal of 434433021020 is 20120334434.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203887 + ... + 1522566.

It is an arithmetic number, because the mean of its divisors is an integer number (19695903696).

Almost surely, 2^434433021020 is an apocalyptic number.

It is an amenable number.

434433021020 is an abundant number, since it is smaller than the sum of its proper divisors (510970356388).

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

434433021020 is a wasteful number, since it uses less digits than its factorization.

434433021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726750 (or 2726748 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 434433021020 its reverse (20120334434), we get a palindrome (454553355454).

The spelling of 434433021020 in words is "four hundred thirty-four billion, four hundred thirty-three million, twenty-one thousand, twenty".