38303220 has 48 divisors (see below), whose sum is σ = 107872128. Its totient is φ = 10154880.

The previous prime is 38303203. The next prime is 38303231. The reversal of 38303220 is 2230383.

38303220 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9097 + ... + 12623.

It is an arithmetic number, because the mean of its divisors is an integer number (2247336).

Almost surely, 2^38303220 is an apocalyptic number.

38303220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38303220 is an abundant number, since it is smaller than the sum of its proper divisors (69568908).

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

38303220 is a wasteful number, since it uses less digits than its factorization.

38303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3718 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 38303220 is about 6188.9595248313. The cubic root of 38303220 is about 337.0893991587.

The spelling of 38303220 in words is "thirty-eight million, three hundred three thousand, two hundred twenty".