283132820 has 12 divisors (see below), whose sum is σ = 594578964. Its totient is φ = 113253120.

The previous prime is 283132819. The next prime is 283132847. The reversal of 283132820 is 28231382.

It can be written as a sum of positive squares in 2 ways, for example, as 130462084 + 152670736 = 11422^2 + 12356^2 .

It is a super-2 number, since 2×283132820² = 160328387522304800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7078301 + ... + 7078340.

It is an arithmetic number, because the mean of its divisors is an integer number (49548247).

Almost surely, 2^283132820 is an apocalyptic number.

283132820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283132820 is an abundant number, since it is smaller than the sum of its proper divisors (311446144).

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

283132820 is a wasteful number, since it uses less digits than its factorization.

283132820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156650 (or 14156648 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 283132820 is about 16826.5510429202. The cubic root of 283132820 is about 656.6441379005.

The spelling of 283132820 in words is "two hundred eighty-three million, one hundred thirty-two thousand, eight hundred twenty".