20253201 has 4 divisors (see below), whose sum is σ = 27004272. Its totient is φ = 13502132.

The previous prime is 20253197. The next prime is 20253209. The reversal of 20253201 is 10235202.

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 20253201 - 2² = 20253197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20253209) 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, 3375531 + ... + 3375536.

It is an arithmetic number, because the mean of its divisors is an integer number (6751068).

Almost surely, 2^20253201 is an apocalyptic number.

It is an amenable number.

20253201 is a deficient number, since it is larger than the sum of its proper divisors (6751071).

20253201 is an equidigital number, since it uses as much as digits as its factorization.

20253201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751070.

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

The square root of 20253201 is about 4500.3556526124. The cubic root of 20253201 is about 272.5824501509.

Adding to 20253201 its reverse (10235202), we get a palindrome (30488403).

The spelling of 20253201 in words is "twenty million, two hundred fifty-three thousand, two hundred one".