20202013333042 has 4 divisors (see below), whose sum is σ = 30303019999566. Its totient is φ = 10101006666520.

The previous prime is 20202013333039. The next prime is 20202013333069. The reversal of 20202013333042 is 24033331020202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19268140423401 + 933872909641 = 4389549^2 + 966371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202013332998 and 20202013333016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050503333259 + ... + 5050503333262.

Almost surely, 2^{20202013333042} is an apocalyptic number.

20202013333042 is a deficient number, since it is larger than the sum of its proper divisors (10101006666524).

20202013333042 is a wasteful number, since it uses less digits than its factorization.

20202013333042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101006666523.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20202013333042 its reverse (24033331020202), we get a palindrome (44235344353244).

The spelling of 20202013333042 in words is "twenty trillion, two hundred two billion, thirteen million, three hundred thirty-three thousand, forty-two".