262606820 has 48 divisors (see below), whose sum is σ = 667336320. Its totient is φ = 84739584.

The previous prime is 262606819. The next prime is 262606829. The reversal of 262606820 is 28606262.

262606820 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

262606820 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (262606829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52790 + ... + 57549.

It is an arithmetic number, because the mean of its divisors is an integer number (13902840).

Almost surely, 2^262606820 is an apocalyptic number.

262606820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

262606820 is an abundant number, since it is smaller than the sum of its proper divisors (404729500).

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

262606820 is a wasteful number, since it uses less digits than its factorization.

262606820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110372 (or 110370 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 262606820 is about 16205.1479474888. The cubic root of 262606820 is about 640.3764224402.

The spelling of 262606820 in words is "two hundred sixty-two million, six hundred six thousand, eight hundred twenty".