2009100202 has 8 divisors (see below), whose sum is σ = 3024300096. Its totient is φ = 1001000172.

The previous prime is 2009100199. The next prime is 2009100221. The reversal of 2009100202 is 2020019002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774258 + ... + 1775389.

It is an arithmetic number, because the mean of its divisors is an integer number (378037512).

Almost surely, 2^2009100202 is an apocalyptic number.

2009100202 is a deficient number, since it is larger than the sum of its proper divisors (1015199894).

2009100202 is a wasteful number, since it uses less digits than its factorization.

2009100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549932.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2009100202 is about 44822.9874283274. The cubic root of 2009100202 is about 1261.8290815784.

Adding to 2009100202 its reverse (2020019002), we get a palindrome (4029119204).

The spelling of 2009100202 in words is "two billion, nine million, one hundred thousand, two hundred two".