18202002010 has 8 divisors (see below), whose sum is σ = 32763603636. Its totient is φ = 7280800800.

The previous prime is 18202002001. The next prime is 18202002011. The reversal of 18202002010 is 1020020281.

It can be written as a sum of positive squares in 2 ways, for example, as 18165917961 + 36084049 = 134781^2 + 6007^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18202002011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910100091 + ... + 910100110.

Almost surely, 2^18202002010 is an apocalyptic number.

18202002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18202002010 is a deficient number, since it is larger than the sum of its proper divisors (14561601626).

18202002010 is a wasteful number, since it uses less digits than its factorization.

18202002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820200208.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 18202002010 its reverse (1020020281), we get a palindrome (19222022291).

The spelling of 18202002010 in words is "eighteen billion, two hundred two million, two thousand, ten".