20202121033013 has 8 divisors (see below), whose sum is σ = 20290553514240. Its totient is φ = 20113721092080.

The previous prime is 20202121032859. The next prime is 20202121033033. The reversal of 20202121033013 is 31033012120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20202121033013 - 2²⁸ = 20201852597557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202121033033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6890273 + ... + 9374438.

It is an arithmetic number, because the mean of its divisors is an integer number (2536319189280).

Almost surely, 2^{20202121033013} is an apocalyptic number.

It is an amenable number.

20202121033013 is a deficient number, since it is larger than the sum of its proper divisors (88432481227).

20202121033013 is a wasteful number, since it uses less digits than its factorization.

20202121033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270147.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20202121033013 its reverse (31033012120202), we get a palindrome (51235133153215).

The spelling of 20202121033013 in words is "twenty trillion, two hundred two billion, one hundred twenty-one million, thirty-three thousand, thirteen".