20434133 has 8 divisors (see below), whose sum is σ = 20750400. Its totient is φ = 20119968.

The previous prime is 20434109. The next prime is 20434147. The reversal of 20434133 is 33143402.

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

It is a cyclic number.

It is not a de Polignac number, because 20434133 - 2⁶ = 20434069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38810 + ... + 39332.

It is an arithmetic number, because the mean of its divisors is an integer number (2593800).

Almost surely, 2^20434133 is an apocalyptic number.

It is an amenable number.

20434133 is a deficient number, since it is larger than the sum of its proper divisors (316267).

20434133 is an equidigital number, since it uses as much as digits as its factorization.

20434133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20434133 is about 4520.4129236166. The cubic root of 20434133 is about 273.3917501886.

Adding to 20434133 its reverse (33143402), we get a palindrome (53577535).

The spelling of 20434133 in words is "twenty million, four hundred thirty-four thousand, one hundred thirty-three".