9920323101 has 32 divisors (see below), whose sum is σ = 14455929600. Its totient is φ = 6014421504.

The previous prime is 9920323081. The next prime is 9920323139. The reversal of 9920323101 is 1013230299.

It is a happy number.

9920323101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9920323101 - 2¹¹ = 9920321053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920323201) 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, 3890575 + ... + 3893123.

It is an arithmetic number, because the mean of its divisors is an integer number (451747800).

Almost surely, 2^9920323101 is an apocalyptic number.

It is an amenable number.

9920323101 is a deficient number, since it is larger than the sum of its proper divisors (4535606499).

9920323101 is a wasteful number, since it uses less digits than its factorization.

9920323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9920323101 is about 99600.8187767550. The cubic root of 9920323101 is about 2148.6974696401.

The spelling of 9920323101 in words is "nine billion, nine hundred twenty million, three hundred twenty-three thousand, one hundred one".