20354363 has 2 divisors, whose sum is σ = 20354364. Its totient is φ = 20354362.

The previous prime is 20354357. The next prime is 20354381. The reversal of 20354363 is 36345302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20354363 - 2¹⁴ = 20337979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20354303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10177181 + 10177182.

It is an arithmetic number, because the mean of its divisors is an integer number (10177182).

Almost surely, 2^20354363 is an apocalyptic number.

20354363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20354363 is an equidigital number, since it uses as much as digits as its factorization.

20354363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 20354363 is about 4511.5809867495. The cubic root of 20354363 is about 273.0355341135.

Adding to 20354363 its reverse (36345302), we get a palindrome (56699665).

The spelling of 20354363 in words is "twenty million, three hundred fifty-four thousand, three hundred sixty-three".