20233824 has 96 divisors (see below), whose sum is σ = 59157504. Its totient is φ = 6013440.

The previous prime is 20233819. The next prime is 20233831. The reversal of 20233824 is 42833202.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20233794 and 20233803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38427 + ... + 38949.

It is an arithmetic number, because the mean of its divisors is an integer number (616224).

Almost surely, 2^20233824 is an apocalyptic number.

20233824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20233824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29578752).

20233824 is an abundant number, since it is smaller than the sum of its proper divisors (38923680).

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

20233824 is a wasteful number, since it uses less digits than its factorization.

20233824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20233824 is about 4498.2023075891. The cubic root of 20233824 is about 272.4954924485.

The spelling of 20233824 in words is "twenty million, two hundred thirty-three thousand, eight hundred twenty-four".