2020404642044 has 6 divisors (see below), whose sum is σ = 3535708123584. Its totient is φ = 1010202321020.

The previous prime is 2020404642029. The next prime is 2020404642071. The reversal of 2020404642044 is 4402464040202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020404642044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252550580252 + ... + 252550580259.

It is an arithmetic number, because the mean of its divisors is an integer number (589284687264).

Almost surely, 2^{2020404642044} is an apocalyptic number.

It is an amenable number.

2020404642044 is a deficient number, since it is larger than the sum of its proper divisors (1515303481540).

2020404642044 is a wasteful number, since it uses less digits than its factorization.

2020404642044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505101160515 (or 505101160513 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 2020404642044 its reverse (4402464040202), we get a palindrome (6422868682246).

The spelling of 2020404642044 in words is "two trillion, twenty billion, four hundred four million, six hundred forty-two thousand, forty-four".