20012332223131 has 2 divisors, whose sum is σ = 20012332223132. Its totient is φ = 20012332223130.

The previous prime is 20012332223047. The next prime is 20012332223201. The reversal of 20012332223131 is 13132223321002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20012332223131 - 2¹⁷ = 20012332092059 is a prime.

It is a super-2 number, since 2×20012332223131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012332223096 and 20012332223105.

It is not a weakly prime, because it can be changed into another prime (20012332221131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006166111565 + 10006166111566.

It is an arithmetic number, because the mean of its divisors is an integer number (10006166111566).

Almost surely, 2^{20012332223131} is an apocalyptic number.

20012332223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012332223131 is an equidigital number, since it uses as much as digits as its factorization.

20012332223131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20012332223131 its reverse (13132223321002), we get a palindrome (33144555544133).

The spelling of 20012332223131 in words is "twenty trillion, twelve billion, three hundred thirty-two million, two hundred twenty-three thousand, one hundred thirty-one".