2020401042020 has 48 divisors (see below), whose sum is σ = 4269900262320. Its totient is φ = 803012046336.

The previous prime is 2020401041947. The next prime is 2020401042043. The reversal of 2020401042020 is 202401040202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6408642916 + 2013992399104 = 80054^2 + 1419152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2020401042020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5685326 + ... + 6030234.

It is an arithmetic number, because the mean of its divisors is an integer number (88956255465).

Almost surely, 2^{2020401042020} is an apocalyptic number.

2020401042020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020401042020 is an abundant number, since it is smaller than the sum of its proper divisors (2249499220300).

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

2020401042020 is a wasteful number, since it uses less digits than its factorization.

2020401042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346784 (or 346782 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2020401042020 its reverse (202401040202), we get a palindrome (2222802082222).

The spelling of 2020401042020 in words is "two trillion, twenty billion, four hundred one million, forty-two thousand, twenty".