18362020268 has 12 divisors (see below), whose sum is σ = 32613140952. Its totient is φ = 9043980000.

The previous prime is 18362020267. The next prime is 18362020291. The reversal of 18362020268 is 86202026381.

It is not an unprimeable number, because it can be changed into a prime (18362020267) 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, 34257233 + ... + 34257768.

It is an arithmetic number, because the mean of its divisors is an integer number (2717761746).

Almost surely, 2^18362020268 is an apocalyptic number.

It is an amenable number.

18362020268 is a deficient number, since it is larger than the sum of its proper divisors (14251120684).

18362020268 is a wasteful number, since it uses less digits than its factorization.

18362020268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68515072 (or 68515070 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 18362020268 in words is "eighteen billion, three hundred sixty-two million, twenty thousand, two hundred sixty-eight".