20434354 has 8 divisors (see below), whose sum is σ = 30676608. Its totient is φ = 10208820.

The previous prime is 20434321. The next prime is 20434369. The reversal of 20434354 is 45343402.

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, 462 + ... + 6409.

It is an arithmetic number, because the mean of its divisors is an integer number (3834576).

Almost surely, 2^20434354 is an apocalyptic number.

20434354 is a deficient number, since it is larger than the sum of its proper divisors (10242254).

20434354 is a wasteful number, since it uses less digits than its factorization.

20434354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 20434354 is about 4520.4373682200. The cubic root of 20434354 is about 273.3927357839.

Adding to 20434354 its reverse (45343402), we get a palindrome (65777756).

The spelling of 20434354 in words is "twenty million, four hundred thirty-four thousand, three hundred fifty-four".