38214737220 has 96 divisors (see below), whose sum is σ = 117243334656. Its totient is φ = 9223331200.

The previous prime is 38214737219. The next prime is 38214737227. The reversal of 38214737220 is 2273741283.

It is a super-2 number, since 2×38214737220² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38214737227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22285 + ... + 277355.

It is an arithmetic number, because the mean of its divisors is an integer number (1221284736).

Almost surely, 2^38214737220 is an apocalyptic number.

38214737220 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 38214737220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58621667328).

38214737220 is an abundant number, since it is smaller than the sum of its proper divisors (79028597436).

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

38214737220 is a wasteful number, since it uses less digits than its factorization.

38214737220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255321 (or 255319 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 38214737220 in words is "thirty-eight billion, two hundred fourteen million, seven hundred thirty-seven thousand, two hundred twenty".