4020213043444 has 96 divisors (see below), whose sum is σ = 7886774067200. Its totient is φ = 1780549879680.

The previous prime is 4020213043433. The next prime is 4020213043459. The reversal of 4020213043444 is 4443403120204.

4020213043444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4020213043444² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 192463969 + ... + 192484855.

Almost surely, 2^{4020213043444} is an apocalyptic number.

It is an amenable number.

4020213043444 is a deficient number, since it is larger than the sum of its proper divisors (3866561023756).

4020213043444 is a wasteful number, since it uses less digits than its factorization.

4020213043444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933 (or 21931 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4020213043444 its reverse (4443403120204), we get a palindrome (8463616163648).

The spelling of 4020213043444 in words is "four trillion, twenty billion, two hundred thirteen million, forty-three thousand, four hundred forty-four".