20223001 has 4 divisors (see below), whose sum is σ = 20507904. Its totient is φ = 19938100.

The previous prime is 20222987. The next prime is 20223023. The reversal of 20223001 is 10032202.

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 20223001 - 2¹³ = 20214809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223101) 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, 142345 + ... + 142486.

It is an arithmetic number, because the mean of its divisors is an integer number (5126976).

Almost surely, 2^20223001 is an apocalyptic number.

It is an amenable number.

20223001 is a deficient number, since it is larger than the sum of its proper divisors (284903).

20223001 is an equidigital number, since it uses as much as digits as its factorization.

20223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284902.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20223001 is about 4496.9991105180. Note that the first 3 decimals coincide. The cubic root of 20223001 is about 272.4468981621.

Adding to 20223001 its reverse (10032202), we get a palindrome (30255203).

The spelling of 20223001 in words is "twenty million, two hundred twenty-three thousand, one".