202020311133323 has 16 divisors (see below), whose sum is σ = 210934376294400. Its totient is φ = 193236620734080.

The previous prime is 202020311133301. The next prime is 202020311133331. The reversal of 202020311133323 is 323331113020202.

It is a cyclic number.

It is not a de Polignac number, because 202020311133323 - 2¹⁸ = 202020310871179 is a prime.

It is a super-2 number, since 2×202020311133323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202020311133292 and 202020311133301.

It is not an unprimeable number, because it can be changed into a prime (202020311133023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17221865 + ... + 26469477.

It is an arithmetic number, because the mean of its divisors is an integer number (13183398518400).

Almost surely, 2^{202020311133323} is an apocalyptic number.

202020311133323 is a deficient number, since it is larger than the sum of its proper divisors (8914065161077).

202020311133323 is a wasteful number, since it uses less digits than its factorization.

202020311133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254662.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 202020311133323 its reverse (323331113020202), we get a palindrome (525351424153525).

The spelling of 202020311133323 in words is "two hundred two trillion, twenty billion, three hundred eleven million, one hundred thirty-three thousand, three hundred twenty-three".