20231201 has 4 divisors (see below), whose sum is σ = 20379012. Its totient is φ = 20083392.

The previous prime is 20231179. The next prime is 20231203. The reversal of 20231201 is 10213202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10213202 = 2 ⋅5106601.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 10144225 = 3176^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231201 - 2⁶ = 20231137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231203) 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, 73700 + ... + 73973.

It is an arithmetic number, because the mean of its divisors is an integer number (5094753).

Almost surely, 2^20231201 is an apocalyptic number.

It is an amenable number.

20231201 is a deficient number, since it is larger than the sum of its proper divisors (147811).

20231201 is a wasteful number, since it uses less digits than its factorization.

20231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147810.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20231201 is about 4497.9107372201. The cubic root of 20231201 is about 272.4837170081.

Adding to 20231201 its reverse (10213202), we get a palindrome (30444403).

The spelling of 20231201 in words is "twenty million, two hundred thirty-one thousand, two hundred one".