2020203144434 has 24 divisors (see below), whose sum is σ = 3203163225360. Its totient is φ = 955449871992.

The previous prime is 2020203144391. The next prime is 2020203144461. The reversal of 2020203144434 is 4344413020202.

It is a junction number, because it is equal to n+sod(n) for n = 2020203144397 and 2020203144406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711544 + ... + 2640035.

It is an arithmetic number, because the mean of its divisors is an integer number (133465134390).

Almost surely, 2^{2020203144434} is an apocalyptic number.

2020203144434 is a deficient number, since it is larger than the sum of its proper divisors (1182960080926).

2020203144434 is a wasteful number, since it uses less digits than its factorization.

2020203144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352262 (or 4352243 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2020203144434 its reverse (4344413020202), we get a palindrome (6364616164636).

The spelling of 2020203144434 in words is "two trillion, twenty billion, two hundred three million, one hundred forty-four thousand, four hundred thirty-four".