4021443343020 has 96 divisors (see below), whose sum is σ = 11819965989888. Its totient is φ = 1019617130752.

The previous prime is 4021443343009. The next prime is 4021443343033. The reversal of 4021443343020 is 203433441204.

It is a happy number.

It is a super-2 number, since 2×4021443343020² (a number of 26 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8494359 + ... + 8955278.

It is an arithmetic number, because the mean of its divisors is an integer number (123124645728).

Almost surely, 2^{4021443343020} is an apocalyptic number.

It is an amenable number.

4021443343020 is an abundant number, since it is smaller than the sum of its proper divisors (7798522646868).

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

4021443343020 is a wasteful number, since it uses less digits than its factorization.

4021443343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17449839 (or 17449837 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 4021443343020 its reverse (203433441204), we get a palindrome (4224876784224).

The spelling of 4021443343020 in words is "four trillion, twenty-one billion, four hundred forty-three million, three hundred forty-three thousand, twenty".