4020422220020 has 24 divisors (see below), whose sum is σ = 8472720195744. Its totient is φ = 1602486310176.

The previous prime is 4020422219993. The next prime is 4020422220083. The reversal of 4020422220020 is 200222240204.

4020422220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4020422219974 and 4020422220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355155314 + ... + 355166633.

It is an arithmetic number, because the mean of its divisors is an integer number (353030008156).

Almost surely, 2^{4020422220020} is an apocalyptic number.

It is an amenable number.

4020422220020 is an abundant number, since it is smaller than the sum of its proper divisors (4452297975724).

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

4020422220020 is a wasteful number, since it uses less digits than its factorization.

4020422220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710322239 (or 710322237 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 4020422220020 its reverse (200222240204), we get a palindrome (4220644460224).

The spelling of 4020422220020 in words is "four trillion, twenty billion, four hundred twenty-two million, two hundred twenty thousand, twenty".