2100202330 has 16 divisors (see below), whose sum is σ = 3910722120. Its totient is φ = 811112512.

The previous prime is 2100202319. The next prime is 2100202337. The reversal of 2100202330 is 332020012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1832781721 + 267420609 = 42811^2 + 16353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2100202330.

It is not an unprimeable number, because it can be changed into a prime (2100202337) 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, 3620749 + ... + 3621328.

Almost surely, 2^2100202330 is an apocalyptic number.

2100202330 is a deficient number, since it is larger than the sum of its proper divisors (1810519790).

2100202330 is a wasteful number, since it uses less digits than its factorization.

2100202330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242113.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2100202330 is about 45827.9644976733. The cubic root of 2100202330 is about 1280.6202905846.

Adding to 2100202330 its reverse (332020012), we get a palindrome (2432222342).

The spelling of 2100202330 in words is "two billion, one hundred million, two hundred two thousand, three hundred thirty".