2000921200 has 60 divisors (see below), whose sum is σ = 4820460568. Its totient is φ = 798163200.

The previous prime is 2000921191. The next prime is 2000921203. The reversal of 2000921200 is 21290002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000921203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142495 + ... + 155905.

Almost surely, 2^2000921200 is an apocalyptic number.

2000921200 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 2000921200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410230284).

2000921200 is an abundant number, since it is smaller than the sum of its proper divisors (2819539368).

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

2000921200 is a wasteful number, since it uses less digits than its factorization.

2000921200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802 (or 13791 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2000921200 is about 44731.6576934055. The cubic root of 2000921200 is about 1260.1144600815.

It can be divided in two parts, 20009 and 21200, that added together give a square (41209 = 203²).

The spelling of 2000921200 in words is "two billion, nine hundred twenty-one thousand, two hundred".