20273203 has 2 divisors, whose sum is σ = 20273204. Its totient is φ = 20273202.

The previous prime is 20273191. The next prime is 20273207. The reversal of 20273203 is 30237202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20273203 - 2¹⁷ = 20142131 is a prime.

It is a super-2 number, since 2×20273203² = 822005519758418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20273207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136601 + 10136602.

It is an arithmetic number, because the mean of its divisors is an integer number (10136602).

Almost surely, 2^20273203 is an apocalyptic number.

20273203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20273203 is an equidigital number, since it uses as much as digits as its factorization.

20273203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 20273203 is about 4502.5773730165. The cubic root of 20273203 is about 272.6721544943.

The spelling of 20273203 in words is "twenty million, two hundred seventy-three thousand, two hundred three".