20004829 has 8 divisors (see below), whose sum is σ = 21641760. Its totient is φ = 18381936.

The previous prime is 20004823. The next prime is 20004833. The reversal of 20004829 is 92840002.

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 20004829 - 2³ = 20004821 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 (20004821) 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, 439 + ... + 6340.

It is an arithmetic number, because the mean of its divisors is an integer number (2705220).

Almost surely, 2^20004829 is an apocalyptic number.

It is an amenable number.

20004829 is a deficient number, since it is larger than the sum of its proper divisors (1636931).

20004829 is a wasteful number, since it uses less digits than its factorization.

20004829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20004829 is about 4472.6758210271. The cubic root of 20004829 is about 271.4636064392.

The spelling of 20004829 in words is "twenty million, four thousand, eight hundred twenty-nine".