20202103120213 has 4 divisors (see below), whose sum is σ = 23088117851680. Its totient is φ = 17316088388748.

The previous prime is 20202103120201. The next prime is 20202103120259. The reversal of 20202103120213 is 31202130120202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20202103120213 - 2¹³ = 20202103112021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202103129213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443007365723 + ... + 1443007365736.

It is an arithmetic number, because the mean of its divisors is an integer number (5772029462920).

Almost surely, 2^{20202103120213} is an apocalyptic number.

It is an amenable number.

20202103120213 is a deficient number, since it is larger than the sum of its proper divisors (2886014731467).

20202103120213 is an equidigital number, since it uses as much as digits as its factorization.

20202103120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886014731466.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20202103120213 its reverse (31202130120202), we get a palindrome (51404233240415).

The spelling of 20202103120213 in words is "twenty trillion, two hundred two billion, one hundred three million, one hundred twenty thousand, two hundred thirteen".