200920543 has 2 divisors, whose sum is σ = 200920544. Its totient is φ = 200920542.

The previous prime is 200920537. The next prime is 200920561. The reversal of 200920543 is 345029002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200920543 - 2¹³ = 200912351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200920523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100460271 + 100460272.

It is an arithmetic number, because the mean of its divisors is an integer number (100460272).

Almost surely, 2^200920543 is an apocalyptic number.

200920543 is a deficient number, since it is larger than the sum of its proper divisors (1).

200920543 is an equidigital number, since it uses as much as digits as its factorization.

200920543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 200920543 is about 14174.6443694366. The cubic root of 200920543 is about 585.6994026104.

Adding to 200920543 its reverse (345029002), we get a palindrome (545949545).

The spelling of 200920543 in words is "two hundred million, nine hundred twenty thousand, five hundred forty-three".