20230001 has 4 divisors (see below), whose sum is σ = 22069104. Its totient is φ = 18390900.

The previous prime is 20229991. The next prime is 20230031. The reversal of 20230001 is 10003202.

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 not a de Polignac number, because 20230001 - 2²² = 16035697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230031) 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, 919535 + ... + 919556.

It is an arithmetic number, because the mean of its divisors is an integer number (5517276).

Almost surely, 2^20230001 is an apocalyptic number.

It is an amenable number.

20230001 is a deficient number, since it is larger than the sum of its proper divisors (1839103).

20230001 is a wasteful number, since it uses less digits than its factorization.

20230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839102.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20230001 is about 4497.7773399758. Note that the first 3 decimals coincide. The cubic root of 20230001 is about 272.4783295058.

Adding to 20230001 its reverse (10003202), we get a palindrome (30233203).

It can be divided in two parts, 202 and 30001, that added together give a palindrome (30203).

The spelling of 20230001 in words is "twenty million, two hundred thirty thousand, one".