202023013013021 has 8 divisors (see below), whose sum is σ = 202135510718400. Its totient is φ = 201910544272800.

The previous prime is 202023013013011. The next prime is 202023013013069. The reversal of 202023013013021 is 120310310320202.

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 202023013013021 - 2³⁴ = 202005833143837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202023013012984 and 202023013013002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023013013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6719465 + ... + 21194273.

It is an arithmetic number, because the mean of its divisors is an integer number (25266938839800).

Almost surely, 2^{202023013013021} is an apocalyptic number.

It is an amenable number.

202023013013021 is a deficient number, since it is larger than the sum of its proper divisors (112497705379).

202023013013021 is a wasteful number, since it uses less digits than its factorization.

202023013013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482579.

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

Adding to 202023013013021 its reverse (120310310320202), we get a palindrome (322333323333223).

The spelling of 202023013013021 in words is "two hundred two trillion, twenty-three billion, thirteen million, thirteen thousand, twenty-one".