9020947838 has 32 divisors (see below), whose sum is σ = 15854989248. Its totient is φ = 3768652800.

The previous prime is 9020947757. The next prime is 9020947841. The reversal of 9020947838 is 8387490209.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752306 + ... + 764202.

It is an arithmetic number, because the mean of its divisors is an integer number (495468414).

Almost surely, 2^9020947838 is an apocalyptic number.

9020947838 is a deficient number, since it is larger than the sum of its proper divisors (6834041410).

9020947838 is a wasteful number, since it uses less digits than its factorization.

9020947838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 9020947838 is about 94978.6704371039. The cubic root of 9020947838 is about 2081.6963969951.

The spelling of 9020947838 in words is "nine billion, twenty million, nine hundred forty-seven thousand, eight hundred thirty-eight".