20218481483 has 4 divisors (see below), whose sum is σ = 20255444520. Its totient is φ = 20181518448.

The previous prime is 20218481447. The next prime is 20218481489. The reversal of 20218481483 is 38418481202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20218481483 - 2¹⁰ = 20218480459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20218481483.

It is not an unprimeable number, because it can be changed into a prime (20218481489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18480698 + ... + 18481791.

It is an arithmetic number, because the mean of its divisors is an integer number (5063861130).

Almost surely, 2^20218481483 is an apocalyptic number.

20218481483 is a deficient number, since it is larger than the sum of its proper divisors (36963037).

20218481483 is an equidigital number, since it uses as much as digits as its factorization.

20218481483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36963036.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 20218481483 in words is "twenty billion, two hundred eighteen million, four hundred eighty-one thousand, four hundred eighty-three".