38683870372220 has 48 divisors (see below), whose sum is σ = 83449560253248. Its totient is φ = 15052121026560.

The previous prime is 38683870372193. The next prime is 38683870372243. The reversal of 38683870372220 is 2227307838683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38683870372220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135336 + ... + 9051375.

It is an arithmetic number, because the mean of its divisors is an integer number (1738532505276).

Almost surely, 2^{38683870372220} is an apocalyptic number.

It is an amenable number.

38683870372220 is an abundant number, since it is smaller than the sum of its proper divisors (44765689881028).

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

38683870372220 is a wasteful number, since it uses less digits than its factorization.

38683870372220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191430 (or 11191428 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 38683870372220 in words is "thirty-eight trillion, six hundred eighty-three billion, eight hundred seventy million, three hundred seventy-two thousand, two hundred twenty".