20302121103037 has 2 divisors, whose sum is σ = 20302121103038. Its totient is φ = 20302121103036.

The previous prime is 20302121103001. The next prime is 20302121103049. The reversal of 20302121103037 is 73030112120302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12115592716516 + 8186528386521 = 3480746^2 + 2861211^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302121103037 - 2²⁷ = 20301986885309 is a prime.

It is a super-2 number, since 2×20302121103037² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302121103437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151060551518 + 10151060551519.

It is an arithmetic number, because the mean of its divisors is an integer number (10151060551519).

Almost surely, 2^{20302121103037} is an apocalyptic number.

It is an amenable number.

20302121103037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302121103037 is an equidigital number, since it uses as much as digits as its factorization.

20302121103037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 20302121103037 its reverse (73030112120302), we get a palindrome (93332233223339).

The spelling of 20302121103037 in words is "twenty trillion, three hundred two billion, one hundred twenty-one million, one hundred three thousand, thirty-seven".