820260474 has 32 divisors (see below), whose sum is σ = 1838033856. Its totient is φ = 241845120.

The previous prime is 820260451. The next prime is 820260481. The reversal of 820260474 is 474062028.

820260474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon 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, 165507 + ... + 170390.

It is an arithmetic number, because the mean of its divisors is an integer number (57438558).

Almost surely, 2^820260474 is an apocalyptic number.

820260474 is an abundant number, since it is smaller than the sum of its proper divisors (1017773382).

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

820260474 is a wasteful number, since it uses less digits than its factorization.

820260474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335950.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 820260474 is about 28640.1898387563. The cubic root of 820260474 is about 936.0892579611.

The spelling of 820260474 in words is "eight hundred twenty million, two hundred sixty thousand, four hundred seventy-four".