20202003023131 has 4 divisors (see below), whose sum is σ = 20202132864312. Its totient is φ = 20201873181952.

The previous prime is 20202003023113. The next prime is 20202003023203. The reversal of 20202003023131 is 13132030020202.

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

It is a cyclic number.

It is not a de Polignac number, because 20202003023131 - 2¹³ = 20202003014939 is a prime.

It is a super-2 number, since 2×20202003023131² (a number of 27 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 = 20202003023099 and 20202003023108.

It is not an unprimeable number, because it can be changed into a prime (20202003023431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64686925 + ... + 64998478.

It is an arithmetic number, because the mean of its divisors is an integer number (5050533216078).

Almost surely, 2^{20202003023131} is an apocalyptic number.

20202003023131 is a deficient number, since it is larger than the sum of its proper divisors (129841181).

20202003023131 is a wasteful number, since it uses less digits than its factorization.

20202003023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129841180.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20202003023131 its reverse (13132030020202), we get a palindrome (33334033043333).

The spelling of 20202003023131 in words is "twenty trillion, two hundred two billion, three million, twenty-three thousand, one hundred thirty-one".