2100202 has 8 divisors (see below), whose sum is σ = 3392676. Its totient is φ = 969312.

The previous prime is 2100193. The next prime is 2100221. The reversal of 2100202 is 2020012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 52441 = 1431^2 + 229^2 .

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, 40363 + ... + 40414.

2^2100202 is an apocalyptic number.

2100202 is a deficient number, since it is larger than the sum of its proper divisors (1292474).

2100202 is a wasteful number, since it uses less digits than its factorization.

2100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80792.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2100202 is about 1449.2073695645. The cubic root of 2100202 is about 128.0620223511.

Adding to 2100202 its reverse (2020012), we get a palindrome (4120214).

The spelling of 2100202 in words is "two million, one hundred thousand, two hundred two".