20334001 has 4 divisors (see below), whose sum is σ = 21218112. Its totient is φ = 19449892.

The previous prime is 20333993. The next prime is 20334007. The reversal of 20334001 is 10043302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20334001 - 2³ = 20333993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442021 + ... + 442066.

It is an arithmetic number, because the mean of its divisors is an integer number (5304528).

Almost surely, 2^20334001 is an apocalyptic number.

It is an amenable number.

20334001 is a deficient number, since it is larger than the sum of its proper divisors (884111).

20334001 is an equidigital number, since it uses as much as digits as its factorization.

20334001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884110.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20334001 is about 4509.3237852255. The cubic root of 20334001 is about 272.9444577440.

Adding to 20334001 its reverse (10043302), we get a palindrome (30377303).

The spelling of 20334001 in words is "twenty million, three hundred thirty-four thousand, one".