2021230020000 has 240 divisors, whose sum is σ = 6633572077440. Its totient is φ = 538707456000.

The previous prime is 2021230019987. The next prime is 2021230020053. The reversal of 2021230020000 is 200321202.

It is a tau number, because it is divible by the number of its divisors (240).

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

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 39 ways as a sum of consecutive naturals, for example, 127732089 + ... + 127747911.

It is an arithmetic number, because the mean of its divisors is an integer number (27639883656).

Almost surely, 2^{2021230020000} is an apocalyptic number.

2021230020000 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 2021230020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3316786038720).

2021230020000 is an abundant number, since it is smaller than the sum of its proper divisors (4612342057440).

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

2021230020000 is a wasteful number, since it uses less digits than its factorization.

2021230020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985 (or 17962 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 2021230020000 its reverse (200321202), we get a palindrome (2021430341202).

The spelling of 2021230020000 in words is "two trillion, twenty-one billion, two hundred thirty million, twenty thousand".