20202112031473 has 2 divisors, whose sum is σ = 20202112031474. Its totient is φ = 20202112031472.

The previous prime is 20202112031399. The next prime is 20202112031509. The reversal of 20202112031473 is 37413021120202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18422577375409 + 1779534656064 = 4292153^2 + 1333992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202112031473 is a prime.

It is a super-2 number, since 2×20202112031473² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20202172031473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101056015736 + 10101056015737.

It is an arithmetic number, because the mean of its divisors is an integer number (10101056015737).

Almost surely, 2^{20202112031473} is an apocalyptic number.

It is an amenable number.

20202112031473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202112031473 is an equidigital number, since it uses as much as digits as its factorization.

20202112031473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 20202112031473 its reverse (37413021120202), we get a palindrome (57615133151675).

The spelling of 20202112031473 in words is "twenty trillion, two hundred two billion, one hundred twelve million, thirty-one thousand, four hundred seventy-three".