9020715438 has 64 divisors (see below), whose sum is σ = 20991467520. Its totient is φ = 2530859232.

The previous prime is 9020715433. The next prime is 9020715463. The reversal of 9020715438 is 8345170209.

9020715438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9020715396 and 9020715405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9020715433) 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, 3386095 + ... + 3388757.

It is an arithmetic number, because the mean of its divisors is an integer number (327991680).

Almost surely, 2^9020715438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9020715438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10495733760).

9020715438 is an abundant number, since it is smaller than the sum of its proper divisors (11970752082).

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

9020715438 is a wasteful number, since it uses less digits than its factorization.

9020715438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 9020715438 is about 94977.4469966423. The cubic root of 9020715438 is about 2081.6785204406.

The spelling of 9020715438 in words is "nine billion, twenty million, seven hundred fifteen thousand, four hundred thirty-eight".