20874201 has 4 divisors (see below), whose sum is σ = 27832272. Its totient is φ = 13916132.

The previous prime is 20874173. The next prime is 20874211. The reversal of 20874201 is 10247802.

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 20874201 - 2⁵ = 20874169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20874211) 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, 3479031 + ... + 3479036.

It is an arithmetic number, because the mean of its divisors is an integer number (6958068).

Almost surely, 2^20874201 is an apocalyptic number.

It is an amenable number.

20874201 is a deficient number, since it is larger than the sum of its proper divisors (6958071).

20874201 is an equidigital number, since it uses as much as digits as its factorization.

20874201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6958070.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 20874201 is about 4568.8292811179. The cubic root of 20874201 is about 275.3404093038.

The spelling of 20874201 in words is "twenty million, eight hundred seventy-four thousand, two hundred one".