38016220 has 24 divisors (see below), whose sum is σ = 87092208. Its totient is φ = 13824000.

The previous prime is 38016203. The next prime is 38016227. The reversal of 38016220 is 2261083.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 38016191 and 38016200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38016227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86181 + ... + 86620.

It is an arithmetic number, because the mean of its divisors is an integer number (3628842).

Almost surely, 2^38016220 is an apocalyptic number.

It is an amenable number.

38016220 is an abundant number, since it is smaller than the sum of its proper divisors (49075988).

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

38016220 is a wasteful number, since it uses less digits than its factorization.

38016220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172821 (or 172819 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 38016220 is about 6165.7294783343. The cubic root of 38016220 is about 336.2453682976.

The spelling of 38016220 in words is "thirty-eight million, sixteen thousand, two hundred twenty".