9620494020 has 72 divisors (see below), whose sum is σ = 29268943704. Its totient is φ = 2557836288.

The previous prime is 9620494001. The next prime is 9620494033. The reversal of 9620494020 is 204940269.

9620494020 is a `hidden beast` number, since 9 + 620 + 4 + 9 + 4 + 0 + 20 = 666.

9620494020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 256448196 + 9364045824 = 16014^2 + 96768^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18639 + ... + 139958.

It is an arithmetic number, because the mean of its divisors is an integer number (406513107).

Almost surely, 2^9620494020 is an apocalyptic number.

9620494020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9620494020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14634471852).

9620494020 is an abundant number, since it is smaller than the sum of its proper divisors (19648449684).

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

9620494020 is a wasteful number, since it uses less digits than its factorization.

9620494020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158949 (or 158944 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9620494020 is about 98084.1170628558. The cubic root of 9620494020 is about 2126.8284346875.

The spelling of 9620494020 in words is "nine billion, six hundred twenty million, four hundred ninety-four thousand, twenty".