20864382348 has 24 divisors (see below), whose sum is σ = 48685896000. Its totient is φ = 6954460240.

The previous prime is 20864382337. The next prime is 20864382349. The reversal of 20864382348 is 84328346802.

It is a super-3 number, since 3×20864382348³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20864382297 and 20864382306.

It is not an unprimeable number, because it can be changed into a prime (20864382349) 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 7 ways as a sum of consecutive naturals, for example, 457903 + ... + 501401.

It is an arithmetic number, because the mean of its divisors is an integer number (2028579000).

Almost surely, 2^20864382348 is an apocalyptic number.

It is an amenable number.

20864382348 is an abundant number, since it is smaller than the sum of its proper divisors (27821513652).

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

20864382348 is a wasteful number, since it uses less digits than its factorization.

20864382348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83477 (or 83475 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 20864382348 in words is "twenty billion, eight hundred sixty-four million, three hundred eighty-two thousand, three hundred forty-eight".