20352201 has 8 divisors (see below), whose sum is σ = 27767520. Its totient is φ = 13252512.

The previous prime is 20352191. The next prime is 20352203. The reversal of 20352201 is 10225302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20352201 - 2⁵ = 20352169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20352203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78756 + ... + 79013.

It is an arithmetic number, because the mean of its divisors is an integer number (3470940).

Almost surely, 2^20352201 is an apocalyptic number.

It is an amenable number.

20352201 is a deficient number, since it is larger than the sum of its proper divisors (7415319).

20352201 is a wasteful number, since it uses less digits than its factorization.

20352201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157815.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20352201 is about 4511.3413748020. The cubic root of 20352201 is about 273.0258666738.

Adding to 20352201 its reverse (10225302), we get a palindrome (30577503).

The spelling of 20352201 in words is "twenty million, three hundred fifty-two thousand, two hundred one".