202018200000 has 336 divisors, whose sum is σ = 697185377280. Its totient is φ = 51525760000.

The previous prime is 202018199989. The next prime is 202018200047. The reversal of 202018200000 is 2810202.

It is a super-2 number, since 2×202018200000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13792681 + ... + 13807319.

It is an arithmetic number, because the mean of its divisors is an integer number (2074956480).

Almost surely, 2^202018200000 is an apocalyptic number.

202018200000 is a gapful number since it is divisible by the number (20) 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 202018200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348592688640).

202018200000 is an abundant number, since it is smaller than the sum of its proper divisors (495167177280).

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

202018200000 is an equidigital number, since it uses as much as digits as its factorization.

202018200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702 (or 14672 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The spelling of 202018200000 in words is "two hundred two billion, eighteen million, two hundred thousand".