20522832 has 80 divisors (see below), whose sum is σ = 59139072. Its totient is φ = 6079360.

The previous prime is 20522783. The next prime is 20522849. The reversal of 20522832 is 23822502.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24403 + ... + 25229.

Almost surely, 2^20522832 is an apocalyptic number.

20522832 is a gapful number since it is divisible by the number (22) 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 20522832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29569536).

20522832 is an abundant number, since it is smaller than the sum of its proper divisors (38616240).

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

20522832 is a wasteful number, since it uses less digits than its factorization.

20522832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20522832 is about 4530.2132400142. The cubic root of 20522832 is about 273.7867522225.

It can be divided in two parts, 2052 and 2832, that added together give a palindrome (4884).

The spelling of 20522832 in words is "twenty million, five hundred twenty-two thousand, eight hundred thirty-two".