20374463 has 2 divisors, whose sum is σ = 20374464. Its totient is φ = 20374462.

The previous prime is 20374433. The next prime is 20374477. The reversal of 20374463 is 36447302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20374463 - 2⁶ = 20374399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20374433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10187231 + 10187232.

It is an arithmetic number, because the mean of its divisors is an integer number (10187232).

Almost surely, 2^20374463 is an apocalyptic number.

20374463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20374463 is an equidigital number, since it uses as much as digits as its factorization.

20374463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 20374463 is about 4513.8080375665. The cubic root of 20374463 is about 273.1253790401.

The spelling of 20374463 in words is "twenty million, three hundred seventy-four thousand, four hundred sixty-three".