200221201020 has 96 divisors (see below), whose sum is σ = 580840759296. Its totient is φ = 51479193600.

The previous prime is 200221201003. The next prime is 200221201027. The reversal of 200221201020 is 20102122002.

200221201020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200221200987 and 200221201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221201027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305452 + ... + 702668.

It is an arithmetic number, because the mean of its divisors is an integer number (6050424576).

Almost surely, 2^200221201020 is an apocalyptic number.

200221201020 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 200221201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290420379648).

200221201020 is an abundant number, since it is smaller than the sum of its proper divisors (380619558276).

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

200221201020 is a wasteful number, since it uses less digits than its factorization.

200221201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397531 (or 397529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200221201020 its reverse (20102122002), we get a palindrome (220323323022).

The spelling of 200221201020 in words is "two hundred billion, two hundred twenty-one million, two hundred one thousand, twenty".