2180130202 has 4 divisors (see below), whose sum is σ = 3270195306. Its totient is φ = 1090065100.

The previous prime is 2180130157. The next prime is 2180130223. The reversal of 2180130202 is 2020310812.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1781768521 + 398361681 = 42211^2 + 19959^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2180130202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545032549 + ... + 545032552.

Almost surely, 2^2180130202 is an apocalyptic number.

2180130202 is a deficient number, since it is larger than the sum of its proper divisors (1090065104).

2180130202 is a wasteful number, since it uses less digits than its factorization.

2180130202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090065103.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2180130202 is about 46691.8644091238. The cubic root of 2180130202 is about 1296.6640706643.

It can be divided in two parts, 21801 and 30202, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 2180130202 in words is "two billion, one hundred eighty million, one hundred thirty thousand, two hundred two".