20201838200 has 96 divisors (see below), whose sum is σ = 48965973120. Its totient is φ = 7742400000.

The previous prime is 20201838187. The next prime is 20201838263. The reversal of 20201838200 is 283810202.

It is a super-2 number, since 2×20201838200² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20201838200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610070 + ... + 642330.

It is an arithmetic number, because the mean of its divisors is an integer number (510062220).

Almost surely, 2^20201838200 is an apocalyptic number.

20201838200 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 20201838200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24482986560).

20201838200 is an abundant number, since it is smaller than the sum of its proper divisors (28764134920).

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

20201838200 is a wasteful number, since it uses less digits than its factorization.

20201838200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32409 (or 32400 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 20201838200 in words is "twenty billion, two hundred one million, eight hundred thirty-eight thousand, two hundred".