20340201 has 16 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 11570304.

The previous prime is 20340197. The next prime is 20340233. The reversal of 20340201 is 10204302.

It is not a de Polignac number, because 20340201 - 2² = 20340197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20340251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2815 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (1945944).

Almost surely, 2^20340201 is an apocalyptic number.

20340201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20340201 is a deficient number, since it is larger than the sum of its proper divisors (10794903).

20340201 is a wasteful number, since it uses less digits than its factorization.

20340201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20340201 is about 4510.0111973253. The cubic root of 20340201 is about 272.9721959098.

Adding to 20340201 its reverse (10204302), we get a palindrome (30544503).

It can be divided in two parts, 203 and 40201, that added together give a palindrome (40404).

The spelling of 20340201 in words is "twenty million, three hundred forty thousand, two hundred one".