20030001 has 4 divisors (see below), whose sum is σ = 26706672. Its totient is φ = 13353332.

The previous prime is 20029993. The next prime is 20030011. The reversal of 20030001 is 10003002.

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 20030001 - 2³ = 20029993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20030011) 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, 3338331 + ... + 3338336.

It is an arithmetic number, because the mean of its divisors is an integer number (6676668).

Almost surely, 2^20030001 is an apocalyptic number.

It is an amenable number.

20030001 is a deficient number, since it is larger than the sum of its proper divisors (6676671).

20030001 is an equidigital number, since it uses as much as digits as its factorization.

20030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676670.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 20030001 is about 4475.4889118397. The cubic root of 20030001 is about 271.5774192559.

Adding to 20030001 its reverse (10003002), we get a palindrome (30033003).

It can be divided in two parts, 2003000 and 1, that added together give a triangular number (2003001 = T₂₀₀₁).

The spelling of 20030001 in words is "twenty million, thirty thousand, one".