9192820020 has 48 divisors (see below), whose sum is σ = 25994763648. Its totient is φ = 2427145600.

The previous prime is 9192820001. The next prime is 9192820033. The reversal of 9192820020 is 200282919.

It is a happy number.

It is a super-2 number, since 2×9192820020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752424 + ... + 764543.

It is an arithmetic number, because the mean of its divisors is an integer number (541557576).

Almost surely, 2^9192820020 is an apocalyptic number.

It is an amenable number.

9192820020 is an abundant number, since it is smaller than the sum of its proper divisors (16801943628).

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

9192820020 is a wasteful number, since it uses less digits than its factorization.

9192820020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517080 (or 1517078 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9192820020 is about 95879.1949277840. The cubic root of 9192820020 is about 2094.8338637496.

The spelling of 9192820020 in words is "nine billion, one hundred ninety-two million, eight hundred twenty thousand, twenty".