20000434 has 8 divisors (see below), whose sum is σ = 30025728. Its totient is φ = 9991860.

The previous prime is 20000429. The next prime is 20000443. The reversal of 20000434 is 43400002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562 + ... + 6349.

It is an arithmetic number, because the mean of its divisors is an integer number (3753216).

Almost surely, 2^20000434 is an apocalyptic number.

20000434 is a deficient number, since it is larger than the sum of its proper divisors (10025294).

20000434 is a wasteful number, since it uses less digits than its factorization.

20000434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20000434 is about 4472.1844774115. The cubic root of 20000434 is about 271.4437250740.

Adding to 20000434 its reverse (43400002), we get a palindrome (63400436).

The spelling of 20000434 in words is "twenty million, four hundred thirty-four", and thus it is an aban number.