20838530348 has 12 divisors (see below), whose sum is σ = 37724925840. Its totient is φ = 10059980112.

The previous prime is 20838530333. The next prime is 20838530353. The reversal of 20838530348 is 84303583802.

It is a super-2 number, since 2×20838530348² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20838530299 and 20838530308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 89821136 + ... + 89821367.

It is an arithmetic number, because the mean of its divisors is an integer number (3143743820).

Almost surely, 2^20838530348 is an apocalyptic number.

It is an amenable number.

20838530348 is a deficient number, since it is larger than the sum of its proper divisors (16886395492).

20838530348 is a wasteful number, since it uses less digits than its factorization.

20838530348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179642536 (or 179642534 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 20838530348 in words is "twenty billion, eight hundred thirty-eight million, five hundred thirty thousand, three hundred forty-eight".