20232828 has 120 divisors (see below), whose sum is σ = 66025344. Its totient is φ = 5248800.

The previous prime is 20232787. The next prime is 20232841. The reversal of 20232828 is 82823202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24543 + ... + 25353.

Almost surely, 2^20232828 is an apocalyptic number.

20232828 is a gapful number since it is divisible by the number (28) 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 20232828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33012672).

20232828 is an abundant number, since it is smaller than the sum of its proper divisors (45792516).

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

20232828 is a wasteful number, since it uses less digits than its factorization.

20232828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20232828 is about 4498.0915953324. The cubic root of 20232828 is about 272.4910212231.

It can be divided in two parts, 2023 and 2828, that added together give a triangular number (4851 = T₉₈).

The spelling of 20232828 in words is "twenty million, two hundred thirty-two thousand, eight hundred twenty-eight".