200143121220 has 288 divisors, whose sum is σ = 701813548800. Its totient is φ = 45222469632.

The previous prime is 200143121219. The next prime is 200143121261. The reversal of 200143121220 is 22121341002.

It is a happy number.

200143121220 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 431 + 212 + 20 = 666.

It is a super-2 number, since 2×200143121220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200143121193 and 200143121202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76711276 + ... + 76713884.

It is an arithmetic number, because the mean of its divisors is an integer number (2436852600).

Almost surely, 2^200143121220 is an apocalyptic number.

200143121220 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 200143121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350906774400).

200143121220 is an abundant number, since it is smaller than the sum of its proper divisors (501670427580).

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

200143121220 is a wasteful number, since it uses less digits than its factorization.

200143121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200143121220 its reverse (22121341002), we get a palindrome (222264462222).

The spelling of 200143121220 in words is "two hundred billion, one hundred forty-three million, one hundred twenty-one thousand, two hundred twenty".