20848724438 has 16 divisors (see below), whose sum is σ = 32321877120. Its totient is φ = 10075598400.

The previous prime is 20848724437. The next prime is 20848724467. The reversal of 20848724438 is 83442784802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848724431) 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, 157673 + ... + 257988.

It is an arithmetic number, because the mean of its divisors is an integer number (2020117320).

Almost surely, 2^20848724438 is an apocalyptic number.

20848724438 is a deficient number, since it is larger than the sum of its proper divisors (11473152682).

20848724438 is a wasteful number, since it uses less digits than its factorization.

20848724438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416503.

The product of its (nonzero) digits is 2752512, while the sum is 50.

The spelling of 20848724438 in words is "twenty billion, eight hundred forty-eight million, seven hundred twenty-four thousand, four hundred thirty-eight".