200120221000 has 512 divisors, whose sum is σ = 574848368640. Its totient is φ = 63763200000.

The previous prime is 200120220947. The next prime is 200120221061. The reversal of 200120221000 is 122021002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 738450865 + ... + 738451135.

It is an arithmetic number, because the mean of its divisors is an integer number (1122750720).

Almost surely, 2^200120221000 is an apocalyptic number.

200120221000 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 200120221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287424184320).

200120221000 is an abundant number, since it is smaller than the sum of its proper divisors (374728147640).

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

200120221000 is a wasteful number, since it uses less digits than its factorization.

200120221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200120221000 its reverse (122021002), we get a palindrome (200242242002).

It can be divided in two parts, 2001202 and 21000, that added together give a palindrome (2022202).

The spelling of 200120221000 in words is "two hundred billion, one hundred twenty million, two hundred twenty-one thousand".