20345196037 has 2 divisors, whose sum is σ = 20345196038. Its totient is φ = 20345196036.

The previous prime is 20345195987. The next prime is 20345196071. The reversal of 20345196037 is 73069154302.

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., 17406580356 + 2938615681 = 131934^2 + 54209^2 .

It is a cyclic number.

It is not a de Polignac number, because 20345196037 - 2¹⁵ = 20345163269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20345136037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172598018 + 10172598019.

It is an arithmetic number, because the mean of its divisors is an integer number (10172598019).

Almost surely, 2^20345196037 is an apocalyptic number.

It is an amenable number.

20345196037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345196037 is an equidigital number, since it uses as much as digits as its factorization.

20345196037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 20345196037 in words is "twenty billion, three hundred forty-five million, one hundred ninety-six thousand, thirty-seven".