20202123132131 has 16 divisors (see below), whose sum is σ = 21408521600448. Its totient is φ = 18997735680000.

The previous prime is 20202123132101. The next prime is 20202123132143. The reversal of 20202123132131 is 13123132120202.

It is a cyclic number.

It is not a de Polignac number, because 20202123132131 - 2³⁴ = 20184943262947 is a prime.

It is a super-2 number, since 2×20202123132131² (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 = 20202123132097 and 20202123132106.

It is not an unprimeable number, because it can be changed into a prime (20202123132101) 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, 97727381 + ... + 97933881.

It is an arithmetic number, because the mean of its divisors is an integer number (1338032600028).

Almost surely, 2^{20202123132131} is an apocalyptic number.

20202123132131 is a deficient number, since it is larger than the sum of its proper divisors (1206398468317).

20202123132131 is a wasteful number, since it uses less digits than its factorization.

20202123132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211342.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20202123132131 its reverse (13123132120202), we get a palindrome (33325255252333).

The spelling of 20202123132131 in words is "twenty trillion, two hundred two billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-one".