20746201 has 4 divisors (see below), whose sum is σ = 23709952. Its totient is φ = 17782452.

The previous prime is 20746189. The next prime is 20746213. The reversal of 20746201 is 10264702.

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 an interprime number because it is at equal distance from previous prime (20746189) and next prime (20746213).

It is a cyclic number.

It is not a de Polignac number, because 20746201 - 2¹⁹ = 20221913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20746241) 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, 1481865 + ... + 1481878.

It is an arithmetic number, because the mean of its divisors is an integer number (5927488).

Almost surely, 2^20746201 is an apocalyptic number.

It is an amenable number.

20746201 is a deficient number, since it is larger than the sum of its proper divisors (2963751).

20746201 is an equidigital number, since it uses as much as digits as its factorization.

20746201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963750.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20746201 is about 4554.7997760604. The cubic root of 20746201 is about 274.7764618689.

The spelling of 20746201 in words is "twenty million, seven hundred forty-six thousand, two hundred one".