20032201 has 4 divisors (see below), whose sum is σ = 22893952. Its totient is φ = 17170452.

The previous prime is 20032193. The next prime is 20032237. The reversal of 20032201 is 10223002.

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 20032201 - 2³ = 20032193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032261) 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, 1430865 + ... + 1430878.

It is an arithmetic number, because the mean of its divisors is an integer number (5723488).

Almost surely, 2^20032201 is an apocalyptic number.

It is an amenable number.

20032201 is a deficient number, since it is larger than the sum of its proper divisors (2861751).

20032201 is an equidigital number, since it uses as much as digits as its factorization.

20032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861750.

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

The square root of 20032201 is about 4475.7346882942. The cubic root of 20032201 is about 271.5873618157.

Adding to 20032201 its reverse (10223002), we get a palindrome (30255203).

The spelling of 20032201 in words is "twenty million, thirty-two thousand, two hundred one".