20622201 has 8 divisors (see below), whose sum is σ = 28943520. Its totient is φ = 13024512.

The previous prime is 20622197. The next prime is 20622229. The reversal of 20622201 is 10222602.

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

It is not a de Polignac number, because 20622201 - 2² = 20622197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20622001) 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, 180840 + ... + 180953.

It is an arithmetic number, because the mean of its divisors is an integer number (3617940).

Almost surely, 2^20622201 is an apocalyptic number.

It is an amenable number.

20622201 is a deficient number, since it is larger than the sum of its proper divisors (8321319).

20622201 is a wasteful number, since it uses less digits than its factorization.

20622201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361815.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20622201 is about 4541.1673609326. The cubic root of 20622201 is about 274.2279214252.

Adding to 20622201 its reverse (10222602), we get a palindrome (30844803).

The spelling of 20622201 in words is "twenty million, six hundred twenty-two thousand, two hundred one".