283129567220 has 54 divisors (see below), whose sum is σ = 608940985842. Its totient is φ = 110578085856.

The previous prime is 283129567213. The next prime is 283129567223. The reversal of 283129567220 is 22765921382.

It can be written as a sum of positive squares in only one way, i.e., 226503653776 + 56625913444 = 475924^2 + 237962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283129567223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 102322277 + ... + 102325043.

It is an arithmetic number, because the mean of its divisors is an integer number (11276684923).

Almost surely, 2^283129567220 is an apocalyptic number.

283129567220 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 283129567220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304470492921).

283129567220 is an abundant number, since it is smaller than the sum of its proper divisors (325811418622).

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

283129567220 is an frugal number, since it uses more digits than its factorization.

283129567220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 283129567220 in words is "two hundred eighty-three billion, one hundred twenty-nine million, five hundred sixty-seven thousand, two hundred twenty".