4021333430020 has 24 divisors (see below), whose sum is σ = 8444852146584. Its totient is φ = 1608523478016.

The previous prime is 4021333429991. The next prime is 4021333430021. The reversal of 4021333430020 is 200343331204.

It can be written as a sum of positive squares in 4 ways, for example, as 389198804164 + 3632134625856 = 623858^2 + 1905816^2 .

It is a super-2 number, since 2×4021333430020² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4021333430021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3329044 + ... + 4373236.

It is an arithmetic number, because the mean of its divisors is an integer number (351868839441).

Almost surely, 2^{4021333430020} is an apocalyptic number.

It is an amenable number.

4021333430020 is an abundant number, since it is smaller than the sum of its proper divisors (4423518716564).

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

4021333430020 is a wasteful number, since it uses less digits than its factorization.

4021333430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236759 (or 1236757 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 4021333430020 its reverse (200343331204), we get a palindrome (4221676761224).

The spelling of 4021333430020 in words is "four trillion, twenty-one billion, three hundred thirty-three million, four hundred thirty thousand, twenty".