20853719482 has 8 divisors (see below), whose sum is σ = 31299462036. Its totient is φ = 10420565472.

The previous prime is 20853719461. The next prime is 20853719521. The reversal of 20853719482 is 28491735802.

It can be written as a sum of positive squares in 2 ways, for example, as 18790652241 + 2063067241 = 137079^2 + 45421^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3142993 + ... + 3149620.

Almost surely, 2^20853719482 is an apocalyptic number.

20853719482 is a deficient number, since it is larger than the sum of its proper divisors (10445742554).

20853719482 is a wasteful number, since it uses less digits than its factorization.

20853719482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294272.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 20853719482 in words is "twenty billion, eight hundred fifty-three million, seven hundred nineteen thousand, four hundred eighty-two".