200420242 has 32 divisors (see below), whose sum is σ = 353839104. Its totient is φ = 84115200.

The previous prime is 200420221. The next prime is 200420251. The reversal of 200420242 is 242024002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14767 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (11057472).

Almost surely, 2^200420242 is an apocalyptic number.

200420242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200420242 is a deficient number, since it is larger than the sum of its proper divisors (153418862).

200420242 is a wasteful number, since it uses less digits than its factorization.

200420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 200420242 is about 14156.9856254783. The cubic root of 200420242 is about 585.2128594471.

Adding to 200420242 its reverse (242024002), we get a palindrome (442444244).

The spelling of 200420242 in words is "two hundred million, four hundred twenty thousand, two hundred forty-two".