20143400200 has 144 divisors (see below), whose sum is σ = 59432691600. Its totient is φ = 6278428800.

The previous prime is 20143400191. The next prime is 20143400209. The reversal of 20143400200 is 200434102.

It is an interprime number because it is at equal distance from previous prime (20143400191) and next prime (20143400209).

It is a super-3 number, since 3×20143400200³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20143400209) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14371 + ... + 201229.

It is an arithmetic number, because the mean of its divisors is an integer number (412727025).

Almost surely, 2^20143400200 is an apocalyptic number.

20143400200 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 20143400200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29716345800).

20143400200 is an abundant number, since it is smaller than the sum of its proper divisors (39289291400).

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

20143400200 is a wasteful number, since it uses less digits than its factorization.

20143400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186900 (or 186884 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20143400200 its reverse (200434102), we get a palindrome (20343834302).

The spelling of 20143400200 in words is "twenty billion, one hundred forty-three million, four hundred thousand, two hundred".