200321010100 has 72 divisors (see below), whose sum is σ = 445219504128. Its totient is φ = 78204547200.

The previous prime is 200321010089. The next prime is 200321010167. The reversal of 200321010100 is 1010123002.

It is a super-3 number, since 3×200321010100³ (a number of 35 digits) contains 333 as substring.

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

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, 913357 + ... + 1111243.

It is an arithmetic number, because the mean of its divisors is an integer number (6183604224).

Almost surely, 2^200321010100 is an apocalyptic number.

200321010100 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 200321010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222609752064).

200321010100 is an abundant number, since it is smaller than the sum of its proper divisors (244898494028).

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

200321010100 is a wasteful number, since it uses less digits than its factorization.

200321010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198145 (or 198138 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 200321010100 its reverse (1010123002), we get a palindrome (201331133102).

The spelling of 200321010100 in words is "two hundred billion, three hundred twenty-one million, ten thousand, one hundred".