1818202002 has 16 divisors (see below), whose sum is σ = 3660811200. Its totient is φ = 601999472.

The previous prime is 1818201961. The next prime is 1818202007. The reversal of 1818202002 is 2002028181.

It is not an unprimeable number, because it can be changed into a prime (1818202007) 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, 1015998 + ... + 1017785.

It is an arithmetic number, because the mean of its divisors is an integer number (228800700).

Almost surely, 2^1818202002 is an apocalyptic number.

1818202002 is an abundant number, since it is smaller than the sum of its proper divisors (1842609198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1818202002 is a wasteful number, since it uses less digits than its factorization.

1818202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033937.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1818202002 is about 42640.3799467125. The cubic root of 1818202002 is about 1220.5269608341.

The spelling of 1818202002 in words is "one billion, eight hundred eighteen million, two hundred two thousand, two".