434030240020 has 48 divisors (see below), whose sum is σ = 981843761808. Its totient is φ = 160213616640.

The previous prime is 434030239967. The next prime is 434030240041. The reversal of 434030240020 is 20042030434.

It can be written as a sum of positive squares in 8 ways, for example, as 63777461764 + 370252778256 = 252542^2 + 608484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 434030239973 and 434030240000.

It is a congruent number.

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, 735450 + ... + 1186990.

It is an arithmetic number, because the mean of its divisors is an integer number (20455078371).

Almost surely, 2^434030240020 is an apocalyptic number.

It is an amenable number.

434030240020 is an abundant number, since it is smaller than the sum of its proper divisors (547813521788).

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

434030240020 is a wasteful number, since it uses less digits than its factorization.

434030240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455260 (or 455258 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 434030240020 its reverse (20042030434), we get a palindrome (454072270454).

The spelling of 434030240020 in words is "four hundred thirty-four billion, thirty million, two hundred forty thousand, twenty".