20541332219 has 2 divisors, whose sum is σ = 20541332220. Its totient is φ = 20541332218.

The previous prime is 20541332183. The next prime is 20541332233. The reversal of 20541332219 is 91223314502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20541332219 - 2⁸ = 20541331963 is a prime.

It is a super-2 number, since 2×20541332219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20541331219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10270666109 + 10270666110.

It is an arithmetic number, because the mean of its divisors is an integer number (10270666110).

Almost surely, 2^20541332219 is an apocalyptic number.

20541332219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20541332219 is an equidigital number, since it uses as much as digits as its factorization.

20541332219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 20541332219 in words is "twenty billion, five hundred forty-one million, three hundred thirty-two thousand, two hundred nineteen".