20262343 has 2 divisors, whose sum is σ = 20262344. Its totient is φ = 20262342.

The previous prime is 20262301. The next prime is 20262383. The reversal of 20262343 is 34326202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20262343 - 2¹⁷ = 20131271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20262383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10131171 + 10131172.

It is an arithmetic number, because the mean of its divisors is an integer number (10131172).

Almost surely, 2^20262343 is an apocalyptic number.

20262343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20262343 is an equidigital number, since it uses as much as digits as its factorization.

20262343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 20262343 is about 4501.3712355237. The cubic root of 20262343 is about 272.6234572310.

Adding to 20262343 its reverse (34326202), we get a palindrome (54588545).

The spelling of 20262343 in words is "twenty million, two hundred sixty-two thousand, three hundred forty-three".