20823334 has 48 divisors (see below), whose sum is σ = 39890880. Its totient is φ = 8090880.

The previous prime is 20823331. The next prime is 20823337. The reversal of 20823334 is 43332802.

It is an interprime number because it is at equal distance from previous prime (20823331) and next prime (20823337).

It is a super-2 number, since 2×20823334² = 867222477751112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20823299 and 20823308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20823331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48099 + ... + 48529.

It is an arithmetic number, because the mean of its divisors is an integer number (831060).

Almost surely, 2^20823334 is an apocalyptic number.

20823334 is a deficient number, since it is larger than the sum of its proper divisors (19067546).

20823334 is a wasteful number, since it uses less digits than its factorization.

20823334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20823334 is about 4563.2591423236. The cubic root of 20823334 is about 275.1165742679.

The spelling of 20823334 in words is "twenty million, eight hundred twenty-three thousand, three hundred thirty-four".