20353518366 has 8 divisors (see below), whose sum is σ = 40707036744. Its totient is φ = 6784506120.

The previous prime is 20353518349. The next prime is 20353518377. The reversal of 20353518366 is 66381535302.

It is a sphenic number, since it is the product of 3 distinct primes.

20353518366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696126525 + ... + 1696126536.

It is an arithmetic number, because the mean of its divisors is an integer number (5088379593).

Almost surely, 2^20353518366 is an apocalyptic number.

20353518366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20353518366 is a wasteful number, since it uses less digits than its factorization.

20353518366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392253066.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 20353518366 in words is "twenty billion, three hundred fifty-three million, five hundred eighteen thousand, three hundred sixty-six".