20432834 has 8 divisors (see below), whose sum is σ = 30701568. Its totient is φ = 10198980.

The previous prime is 20432803. The next prime is 20432851. The reversal of 20432834 is 43823402.

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, 7202 + ... + 9629.

It is an arithmetic number, because the mean of its divisors is an integer number (3837696).

Almost surely, 2^20432834 is an apocalyptic number.

20432834 is a deficient number, since it is larger than the sum of its proper divisors (10268734).

20432834 is a wasteful number, since it uses less digits than its factorization.

20432834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17440.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20432834 is about 4520.2692397688. The cubic root of 20432834 is about 273.3859568850.

The spelling of 20432834 in words is "twenty million, four hundred thirty-two thousand, eight hundred thirty-four".