20187474341 has 2 divisors, whose sum is σ = 20187474342. Its totient is φ = 20187474340.

The previous prime is 20187474311. The next prime is 20187474361. The reversal of 20187474341 is 14347478102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15895914241 + 4291560100 = 126079^2 + 65510^2 .

It is a cyclic number.

It is not a de Polignac number, because 20187474341 - 2¹⁴ = 20187457957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20187474301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10093737170 + 10093737171.

It is an arithmetic number, because the mean of its divisors is an integer number (10093737171).

Almost surely, 2^20187474341 is an apocalyptic number.

It is an amenable number.

20187474341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20187474341 is an equidigital number, since it uses as much as digits as its factorization.

20187474341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 20187474341 in words is "twenty billion, one hundred eighty-seven million, four hundred seventy-four thousand, three hundred forty-one".