9520236021 has 8 divisors (see below), whose sum is σ = 12696949440. Its totient is φ = 6345173312.

The previous prime is 9520236017. The next prime is 9520236041. The reversal of 9520236021 is 1206320259.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9520236021 - 2² = 9520236017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9520236021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9520236041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399156 + ... + 422333.

It is an arithmetic number, because the mean of its divisors is an integer number (1587118680).

Almost surely, 2^9520236021 is an apocalyptic number.

It is an amenable number.

9520236021 is a deficient number, since it is larger than the sum of its proper divisors (3176713419).

9520236021 is a wasteful number, since it uses less digits than its factorization.

9520236021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825355.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 9520236021 is about 97571.6968234129. The cubic root of 9520236021 is about 2119.4145188878.

The spelling of 9520236021 in words is "nine billion, five hundred twenty million, two hundred thirty-six thousand, twenty-one".