820848452 has 12 divisors (see below), whose sum is σ = 1460034156. Its totient is φ = 403695840.

The previous prime is 820848437. The next prime is 820848461. The reversal of 820848452 is 254848028.

It can be written as a sum of positive squares in 2 ways, for example, as 394260736 + 426587716 = 19856^2 + 20654^2 .

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, 1681823 + ... + 1682310.

It is an arithmetic number, because the mean of its divisors is an integer number (121669513).

Almost surely, 2^820848452 is an apocalyptic number.

It is an amenable number.

820848452 is a deficient number, since it is larger than the sum of its proper divisors (639185704).

820848452 is a wasteful number, since it uses less digits than its factorization.

820848452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364198 (or 3364196 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 820848452 is about 28650.4529109053. The cubic root of 820848452 is about 936.3128732830.

The spelling of 820848452 in words is "eight hundred twenty million, eight hundred forty-eight thousand, four hundred fifty-two".