18227500200 has 768 divisors, whose sum is σ = 78953280000. Its totient is φ = 3840721920.

The previous prime is 18227500189. The next prime is 18227500211. The reversal of 18227500200 is 200572281.

It is an interprime number because it is at equal distance from previous prime (18227500189) and next prime (18227500211).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24078222 + ... + 24078978.

It is an arithmetic number, because the mean of its divisors is an integer number (102803750).

Almost surely, 2^18227500200 is an apocalyptic number.

18227500200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18227500200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39476640000).

18227500200 is an abundant number, since it is smaller than the sum of its proper divisors (60725779800).

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

18227500200 is a wasteful number, since it uses less digits than its factorization.

18227500200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 18227500200 in words is "eighteen billion, two hundred twenty-seven million, five hundred thousand, two hundred".