202220043 has 4 divisors (see below), whose sum is σ = 269626728. Its totient is φ = 134813360.

The previous prime is 202220041. The next prime is 202220089. The reversal of 202220043 is 340022202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202220043 - 2¹ = 202220041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33703338 + ... + 33703343.

It is an arithmetic number, because the mean of its divisors is an integer number (67406682).

Almost surely, 2^202220043 is an apocalyptic number.

202220043 is a deficient number, since it is larger than the sum of its proper divisors (67406685).

202220043 is an equidigital number, since it uses as much as digits as its factorization.

202220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67406684.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 202220043 is about 14220.4093822928. The cubic root of 202220043 is about 586.9594054196.

Adding to 202220043 its reverse (340022202), we get a palindrome (542242245).

The spelling of 202220043 in words is "two hundred two million, two hundred twenty thousand, forty-three".