20202030100424 has 8 divisors (see below), whose sum is σ = 37878806438310. Its totient is φ = 10101015050208.

The previous prime is 20202030100367. The next prime is 20202030100463. The reversal of 20202030100424 is 42400103020202.

It can be written as a sum of positive squares in only one way, i.e., 16683712084900 + 3518318015524 = 4084570^2 + 1875718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20202030100396 and 20202030100405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262626881269 + ... + 1262626881284.

Almost surely, 2^{20202030100424} is an apocalyptic number.

It is an amenable number.

20202030100424 is a deficient number, since it is larger than the sum of its proper divisors (17676776337886).

20202030100424 is a wasteful number, since it uses less digits than its factorization.

20202030100424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525253762559 (or 2525253762555 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20202030100424 its reverse (42400103020202), we get a palindrome (62602133120626).

The spelling of 20202030100424 in words is "twenty trillion, two hundred two billion, thirty million, one hundred thousand, four hundred twenty-four".