20274203 has 2 divisors, whose sum is σ = 20274204. Its totient is φ = 20274202.

The previous prime is 20274179. The next prime is 20274223. The reversal of 20274203 is 30247202.

It is a happy number.

It is an a-pointer prime, because the next prime (20274223) can be obtained adding 20274203 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20274203 - 2⁶ = 20274139 is a prime.

It is a super-2 number, since 2×20274203² = 822086614570418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20274223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137101 + 10137102.

It is an arithmetic number, because the mean of its divisors is an integer number (10137102).

Almost surely, 2^20274203 is an apocalyptic number.

20274203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20274203 is an equidigital number, since it uses as much as digits as its factorization.

20274203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20274203 is about 4502.6884191558. The cubic root of 20274203 is about 272.6766377141.

The spelling of 20274203 in words is "twenty million, two hundred seventy-four thousand, two hundred three".