2021204445000 has 640 divisors, whose sum is σ = 7098930115200. Its totient is φ = 475969536000.

The previous prime is 2021204444993. The next prime is 2021204445067. The reversal of 2021204445000 is 5444021202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 639013419 + ... + 639016581.

It is an arithmetic number, because the mean of its divisors is an integer number (11092078305).

Almost surely, 2^{2021204445000} is an apocalyptic number.

2021204445000 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 2021204445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3549465057600).

2021204445000 is an abundant number, since it is smaller than the sum of its proper divisors (5077725670200).

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

2021204445000 is a wasteful number, since it uses less digits than its factorization.

2021204445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 2021204445000 its reverse (5444021202), we get a palindrome (2026648466202).

The spelling of 2021204445000 in words is "two trillion, twenty-one billion, two hundred four million, four hundred forty-five thousand".