20204093 has 8 divisors (see below), whose sum is σ = 24866688. Its totient is φ = 15985584.

The previous prime is 20204089. The next prime is 20204101. The reversal of 20204093 is 39040202.

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 20204093 - 2² = 20204089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204003) 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, 110921 + ... + 111102.

It is an arithmetic number, because the mean of its divisors is an integer number (3108336).

Almost surely, 2^20204093 is an apocalyptic number.

It is an amenable number.

20204093 is a deficient number, since it is larger than the sum of its proper divisors (4662595).

20204093 is a wasteful number, since it uses less digits than its factorization.

20204093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222043.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20204093 is about 4494.8963280592. The cubic root of 20204093 is about 272.3619613408.

Adding to 20204093 its reverse (39040202), we get a palindrome (59244295).

The spelling of 20204093 in words is "twenty million, two hundred four thousand, ninety-three".