10420842 has 16 divisors (see below), whose sum is σ = 20952000. Its totient is φ = 3455232.

The previous prime is 10420829. The next prime is 10420901. The reversal of 10420842 is 24802401.

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, 3342 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (1309500).

Almost surely, 2^10420842 is an apocalyptic number.

10420842 is an abundant number, since it is smaller than the sum of its proper divisors (10531158).

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

10420842 is a wasteful number, since it uses less digits than its factorization.

10420842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197.

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

The square root of 10420842 is about 3228.1328968926. The cubic root of 10420842 is about 218.4242922033.

The spelling of 10420842 in words is "ten million, four hundred twenty thousand, eight hundred forty-two".