20366125337 has 2 divisors, whose sum is σ = 20366125338. Its totient is φ = 20366125336.

The previous prime is 20366125319. The next prime is 20366125361. The reversal of 20366125337 is 73352166302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14432658496 + 5933466841 = 120136^2 + 77029^2 .

It is a cyclic number.

It is not a de Polignac number, because 20366125337 - 2¹⁰ = 20366124313 is a prime.

It is a super-2 number, since 2×20366125337² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20366125337.

It is not a weakly prime, because it can be changed into another prime (20366175337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183062668 + 10183062669.

It is an arithmetic number, because the mean of its divisors is an integer number (10183062669).

Almost surely, 2^20366125337 is an apocalyptic number.

It is an amenable number.

20366125337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20366125337 is an equidigital number, since it uses as much as digits as its factorization.

20366125337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 20366125337 in words is "twenty billion, three hundred sixty-six million, one hundred twenty-five thousand, three hundred thirty-seven".