9761720120 has 16 divisors (see below), whose sum is σ = 21963870360. Its totient is φ = 3904688032.

The previous prime is 9761720119. The next prime is 9761720123. The reversal of 9761720120 is 210271679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9761720123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122021462 + ... + 122021541.

Almost surely, 2^9761720120 is an apocalyptic number.

It is an amenable number.

9761720120 is an abundant number, since it is smaller than the sum of its proper divisors (12202150240).

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

9761720120 is a wasteful number, since it uses less digits than its factorization.

9761720120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244043014 (or 244043010 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 9761720120 is about 98801.4176011660. The cubic root of 9761720120 is about 2137.1849993273.

Adding to 9761720120 its reverse (210271679), we get a palindrome (9971991799).

The spelling of 9761720120 in words is "nine billion, seven hundred sixty-one million, seven hundred twenty thousand, one hundred twenty".