20373201 has 20 divisors (see below), whose sum is σ = 30759652. Its totient is φ = 13436928.

The previous prime is 20373173. The next prime is 20373203. The reversal of 20373201 is 10237302.

It can be written as a sum of positive squares in 2 ways, for example, as 10732176 + 9641025 = 3276^2 + 3105^2 .

It is not a de Polignac number, because 20373201 - 2¹⁷ = 20242129 is a prime.

It is a Duffinian number.

20373201 is a modest number, since divided by 3201 gives 2037 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20373203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6561 + ... + 9153.

Almost surely, 2^20373201 is an apocalyptic number.

It is an amenable number.

20373201 is a deficient number, since it is larger than the sum of its proper divisors (10386451).

20373201 is an equidigital number, since it uses as much as digits as its factorization.

20373201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 20373201 is about 4513.6682421286. The cubic root of 20373201 is about 273.1197397692.

The spelling of 20373201 in words is "twenty million, three hundred seventy-three thousand, two hundred one".