20848331 has 8 divisors (see below), whose sum is σ = 23868384. Its totient is φ = 17838720.

The previous prime is 20848297. The next prime is 20848343. The reversal of 20848331 is 13384802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20848331 - 2¹⁸ = 20586187 is a prime.

It is a super-2 number, since 2×20848331² = 869305810971122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20848294 and 20848303.

It is not an unprimeable number, because it can be changed into a prime (20848381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (2983548).

Almost surely, 2^20848331 is an apocalyptic number.

20848331 is a deficient number, since it is larger than the sum of its proper divisors (3020053).

20848331 is an equidigital number, since it uses as much as digits as its factorization.

20848331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20848331 is about 4565.9972623732. The cubic root of 20848331 is about 275.2266165089.

The spelling of 20848331 in words is "twenty million, eight hundred forty-eight thousand, three hundred thirty-one".