42920206 has 16 divisors (see below), whose sum is σ = 77906016. Its totient is φ = 17312256.

The previous prime is 42920191. The next prime is 42920209. The reversal of 42920206 is 60202924.

42920206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42920209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89931 + ... + 90406.

It is an arithmetic number, because the mean of its divisors is an integer number (4869126).

Almost surely, 2^42920206 is an apocalyptic number.

42920206 is a deficient number, since it is larger than the sum of its proper divisors (34985810).

42920206 is a wasteful number, since it uses less digits than its factorization.

42920206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180363.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 42920206 is about 6551.3514636295. The cubic root of 42920206 is about 350.1229663167.

The spelling of 42920206 in words is "forty-two million, nine hundred twenty thousand, two hundred six".