20838832848 has 80 divisors (see below), whose sum is σ = 60657724800. Its totient is φ = 6848432640.

The previous prime is 20838832841. The next prime is 20838832907. The reversal of 20838832848 is 84823883802.

It is a happy number.

It is a super-2 number, since 2×20838832848² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 20838832794 and 20838832803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20838832841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309033 + ... + 370376.

It is an arithmetic number, because the mean of its divisors is an integer number (758221560).

Almost surely, 2^20838832848 is an apocalyptic number.

It is an amenable number.

20838832848 is an abundant number, since it is smaller than the sum of its proper divisors (39818891952).

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

20838832848 is a wasteful number, since it uses less digits than its factorization.

20838832848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679497 (or 679485 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 20838832848 in words is "twenty billion, eight hundred thirty-eight million, eight hundred thirty-two thousand, eight hundred forty-eight".