2021446560 has 192 divisors, whose sum is σ = 7306516224. Its totient is φ = 460185600.

The previous prime is 2021446541. The next prime is 2021446561. The reversal of 2021446560 is 656441202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2021446561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 943090 + ... + 945230.

It is an arithmetic number, because the mean of its divisors is an integer number (38054772).

Almost surely, 2^2021446560 is an apocalyptic number.

2021446560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 44960×44961.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021446560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3653258112).

2021446560 is an abundant number, since it is smaller than the sum of its proper divisors (5285069664).

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

2021446560 is a wasteful number, since it uses less digits than its factorization.

2021446560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2021446560 is about 44960.4999972198. The cubic root of 2021446560 is about 1264.4085430976.

Adding to 2021446560 its reverse (656441202), we get a palindrome (2677887762).

The spelling of 2021446560 in words is "two billion, twenty-one million, four hundred forty-six thousand, five hundred sixty".