38704838220 has 216 divisors, whose sum is σ = 120294366192. Its totient is φ = 10072204800.

The previous prime is 38704838209. The next prime is 38704838243. The reversal of 38704838220 is 2283840783.

38704838220 is a `hidden beast` number, since 3 + 8 + 70 + 483 + 82 + 20 = 666.

38704838220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 196471162 + ... + 196471358.

It is an arithmetic number, because the mean of its divisors is an integer number (556918362).

Almost surely, 2^38704838220 is an apocalyptic number.

38704838220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38704838220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60147183096).

38704838220 is an abundant number, since it is smaller than the sum of its proper divisors (81589527972).

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

38704838220 is a wasteful number, since it uses less digits than its factorization.

38704838220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 38704838220 in words is "thirty-eight billion, seven hundred four million, eight hundred thirty-eight thousand, two hundred twenty".