20353641219 has 36 divisors (see below), whose sum is σ = 30172988664. Its totient is φ = 13219386624.

The previous prime is 20353641179. The next prime is 20353641223. The reversal of 20353641219 is 91214635302.

20353641219 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 3 + 641 + 2 + 1 + 9 = 666.

It is not a de Polignac number, because 20353641219 - 2⁸ = 20353640963 is a prime.

It is a super-2 number, since 2×20353641219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20353641419) 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 in 35 ways as a sum of consecutive naturals, for example, 3978207 + ... + 3983319.

It is an arithmetic number, because the mean of its divisors is an integer number (838138574).

Almost surely, 2^20353641219 is an apocalyptic number.

20353641219 is a deficient number, since it is larger than the sum of its proper divisors (9819347445).

20353641219 is an equidigital number, since it uses as much as digits as its factorization.

20353641219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 5272 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 20353641219 in words is "twenty billion, three hundred fifty-three million, six hundred forty-one thousand, two hundred nineteen".