10442820 has 24 divisors (see below), whose sum is σ = 29240064. Its totient is φ = 2784736.

The previous prime is 10442819. The next prime is 10442891. The reversal of 10442820 is 2824401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86964 + ... + 87083.

It is an arithmetic number, because the mean of its divisors is an integer number (1218336).

Almost surely, 2^10442820 is an apocalyptic number.

10442820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10442820 is an abundant number, since it is smaller than the sum of its proper divisors (18797244).

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

10442820 is a wasteful number, since it uses less digits than its factorization.

10442820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174059 (or 174057 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 10442820 is about 3231.5352388609. The cubic root of 10442820 is about 218.5777397591.

It can be divided in two parts, 104 and 42820, that added together give a palindrome (42924).

The spelling of 10442820 in words is "ten million, four hundred forty-two thousand, eight hundred twenty".