4020404020022 has 32 divisors (see below), whose sum is σ = 6557998712832. Its totient is φ = 1837443091104.

The previous prime is 4020404019997. The next prime is 4020404020027. The reversal of 4020404020022 is 2200204040204.

It is a junction number, because it is equal to n+sod(n) for n = 4020404019976 and 4020404020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020404020027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6221483 + ... + 6837225.

It is an arithmetic number, because the mean of its divisors is an integer number (204937459776).

Almost surely, 2^{4020404020022} is an apocalyptic number.

4020404020022 is a deficient number, since it is larger than the sum of its proper divisors (2537594692810).

4020404020022 is a wasteful number, since it uses less digits than its factorization.

4020404020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618212.

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

Adding to 4020404020022 its reverse (2200204040204), we get a palindrome (6220608060226).

The spelling of 4020404020022 in words is "four trillion, twenty billion, four hundred four million, twenty thousand, twenty-two".