20459346483 has 4 divisors (see below), whose sum is σ = 27279128648. Its totient is φ = 13639564320.

The previous prime is 20459346461. The next prime is 20459346521. The reversal of 20459346483 is 38464395402.

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

It is not a de Polignac number, because 20459346483 - 2⁹ = 20459345971 is a prime.

It is a super-2 number, since 2×20459346483² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20459342483) 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, 3409891078 + ... + 3409891083.

It is an arithmetic number, because the mean of its divisors is an integer number (6819782162).

Almost surely, 2^20459346483 is an apocalyptic number.

20459346483 is a deficient number, since it is larger than the sum of its proper divisors (6819782165).

20459346483 is an equidigital number, since it uses as much as digits as its factorization.

20459346483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819782164.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 20459346483 in words is "twenty billion, four hundred fifty-nine million, three hundred forty-six thousand, four hundred eighty-three".