20413155343237 has 2 divisors, whose sum is σ = 20413155343238. Its totient is φ = 20413155343236.

The previous prime is 20413155343213. The next prime is 20413155343241. The reversal of 20413155343237 is 73234355131402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17129119122756 + 3284036220481 = 4138734^2 + 1812191^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413155343237 - 2¹⁵ = 20413155310469 is a prime.

It is a super-2 number, since 2×20413155343237² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20413155343193 and 20413155343202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413155343837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206577671618 + 10206577671619.

It is an arithmetic number, because the mean of its divisors is an integer number (10206577671619).

Almost surely, 2^{20413155343237} is an apocalyptic number.

It is an amenable number.

20413155343237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413155343237 is an equidigital number, since it uses as much as digits as its factorization.

20413155343237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 20413155343237 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-five million, three hundred forty-three thousand, two hundred thirty-seven".