20823441 has 8 divisors (see below), whose sum is σ = 28971840. Its totient is φ = 13278672.

The previous prime is 20823437. The next prime is 20823493. The reversal of 20823441 is 14432802.

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

It is not a de Polignac number, because 20823441 - 2² = 20823437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20823431) 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, 150826 + ... + 150963.

It is an arithmetic number, because the mean of its divisors is an integer number (3621480).

Almost surely, 2^20823441 is an apocalyptic number.

It is an amenable number.

20823441 is a deficient number, since it is larger than the sum of its proper divisors (8148399).

20823441 is a wasteful number, since it uses less digits than its factorization.

20823441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301815.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20823441 is about 4563.2708663852. The cubic root of 20823441 is about 275.1170454928.

The spelling of 20823441 in words is "twenty million, eight hundred twenty-three thousand, four hundred forty-one".