282020280 has 64 divisors (see below), whose sum is σ = 854474400. Its totient is φ = 74457600.

The previous prime is 282020267. The next prime is 282020303. The reversal of 282020280 is 82020282.

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

It is a self number, because there is not a number n which added to its sum of digits gives 282020280.

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, 486 + ... + 23754.

Almost surely, 2^282020280 is an apocalyptic number.

282020280 is a gapful number since it is divisible by the number (20) 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 282020280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427237200).

282020280 is an abundant number, since it is smaller than the sum of its proper divisors (572454120).

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

282020280 is a wasteful number, since it uses less digits than its factorization.

282020280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384 (or 23380 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 282020280 is about 16793.4594411038. The cubic root of 282020280 is about 655.7829380501.

It can be divided in two parts, 2820202 and 80, that added together give a palindrome (2820282).

The spelling of 282020280 in words is "two hundred eighty-two million, twenty thousand, two hundred eighty".