20193666483 has 16 divisors (see below), whose sum is σ = 27936024480. Its totient is φ = 12959632896.

The previous prime is 20193666463. The next prime is 20193666499. The reversal of 20193666483 is 38466639102.

It is a de Polignac number, because none of the positive numbers 2^k-20193666483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20193666433) 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 15 ways as a sum of consecutive naturals, for example, 315060 + ... + 373697.

It is an arithmetic number, because the mean of its divisors is an integer number (1746001530).

Almost surely, 2^20193666483 is an apocalyptic number.

20193666483 is a deficient number, since it is larger than the sum of its proper divisors (7742357997).

20193666483 is a wasteful number, since it uses less digits than its factorization.

20193666483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689126.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 20193666483 in words is "twenty billion, one hundred ninety-three million, six hundred sixty-six thousand, four hundred eighty-three".