18202000202 has 16 divisors (see below), whose sum is σ = 27926290080. Its totient is φ = 8895020592.

The previous prime is 18202000169. The next prime is 18202000211. The reversal of 18202000202 is 20200020281.

It is a super-2 number, since 2×18202000202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425408 + ... + 466235.

It is an arithmetic number, because the mean of its divisors is an integer number (1745393130).

Almost surely, 2^18202000202 is an apocalyptic number.

18202000202 is a deficient number, since it is larger than the sum of its proper divisors (9724289878).

18202000202 is a wasteful number, since it uses less digits than its factorization.

18202000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891877.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 18202000202 its reverse (20200020281), we get a palindrome (38402020483).

The spelling of 18202000202 in words is "eighteen billion, two hundred two million, two hundred two", and thus it is an aban number.