200721094 has 16 divisors (see below), whose sum is σ = 355193856. Its totient is φ = 83248200.

The previous prime is 200721083. The next prime is 200721097. The reversal of 200721094 is 490127002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200721097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230812 + ... + 231679.

It is an arithmetic number, because the mean of its divisors is an integer number (22199616).

Almost surely, 2^200721094 is an apocalyptic number.

200721094 is a deficient number, since it is larger than the sum of its proper divisors (154472762).

200721094 is a wasteful number, since it uses less digits than its factorization.

200721094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462531.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 200721094 is about 14167.6072079939. The cubic root of 200721094 is about 585.5055352013.

Adding to 200721094 its reverse (490127002), we get a palindrome (690848096).

The spelling of 200721094 in words is "two hundred million, seven hundred twenty-one thousand, ninety-four".