9823020454 has 16 divisors (see below), whose sum is σ = 15869745360. Its totient is φ = 4533190560.

The previous prime is 9823020439. The next prime is 9823020457. The reversal of 9823020454 is 4540203289.

It is a happy number.

It is a super-2 number, since 2×9823020454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9823020457) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 312309 + ... + 342319.

It is an arithmetic number, because the mean of its divisors is an integer number (991859085).

Almost surely, 2^9823020454 is an apocalyptic number.

9823020454 is a deficient number, since it is larger than the sum of its proper divisors (6046724906).

9823020454 is a wasteful number, since it uses less digits than its factorization.

9823020454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42615.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 9823020454 is about 99111.1520163094. The cubic root of 9823020454 is about 2141.6492696984.

The spelling of 9823020454 in words is "nine billion, eight hundred twenty-three million, twenty thousand, four hundred fifty-four".