4020311210020 has 24 divisors (see below), whose sum is σ = 9648746904384. Its totient is φ = 1378392414816.

The previous prime is 4020311210009. The next prime is 4020311210021. The reversal of 4020311210020 is 200121130204.

It is a junction number, because it is equal to n+sod(n) for n = 4020311209976 and 4020311210003.

It is not an unprimeable number, because it can be changed into a prime (4020311210021) 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, 14358254182 + ... + 14358254461.

It is an arithmetic number, because the mean of its divisors is an integer number (402031121016).

Almost surely, 2^{4020311210020} is an apocalyptic number.

It is an amenable number.

4020311210020 is an abundant number, since it is smaller than the sum of its proper divisors (5628435694364).

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

4020311210020 is a wasteful number, since it uses less digits than its factorization.

4020311210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28716508659 (or 28716508657 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 4020311210020 its reverse (200121130204), we get a palindrome (4220432340224).

The spelling of 4020311210020 in words is "four trillion, twenty billion, three hundred eleven million, two hundred ten thousand, twenty".