18363818202000 has 80 divisors (see below), whose sum is σ = 59204949902592. Its totient is φ = 4897018185600.

The previous prime is 18363818201957. The next prime is 18363818202017. The reversal of 18363818202000 is 20281836381.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×18363818202000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530312184 + ... + 1530324183.

Almost surely, 2^{18363818202000} is an apocalyptic number.

18363818202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18363818202000 is an abundant number, since it is smaller than the sum of its proper divisors (40841131700592).

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

18363818202000 is a wasteful number, since it uses less digits than its factorization.

18363818202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060636393 (or 3060636377 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 18363818202000 in words is "eighteen trillion, three hundred sixty-three billion, eight hundred eighteen million, two hundred two thousand".