20133829 has 8 divisors (see below), whose sum is σ = 20704320. Its totient is φ = 19567200.

The previous prime is 20133823. The next prime is 20133833. The reversal of 20133829 is 92833102.

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 20133829 - 2¹⁷ = 20002757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133797 and 20133806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133823) 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, 11962 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (2588040).

Almost surely, 2^20133829 is an apocalyptic number.

It is an amenable number.

20133829 is a deficient number, since it is larger than the sum of its proper divisors (570491).

20133829 is a wasteful number, since it uses less digits than its factorization.

20133829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20133829 is about 4487.0735451962. The cubic root of 20133829 is about 272.0458625448.

The spelling of 20133829 in words is "twenty million, one hundred thirty-three thousand, eight hundred twenty-nine".