2020665504 has 384 divisors, whose sum is σ = 6719569920. Its totient is φ = 522547200.

The previous prime is 2020665499. The next prime is 2020665527. The reversal of 2020665504 is 4055660202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15910689 + ... + 15910815.

It is an arithmetic number, because the mean of its divisors is an integer number (17498880).

Almost surely, 2^2020665504 is an apocalyptic number.

2020665504 is a gapful number since it is divisible by the number (24) 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 2020665504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3359784960).

2020665504 is an abundant number, since it is smaller than the sum of its proper divisors (4698904416).

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

2020665504 is a wasteful number, since it uses less digits than its factorization.

2020665504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2020665504 is about 44951.8131336212. The cubic root of 2020665504 is about 1264.2456727518.

The spelling of 2020665504 in words is "two billion, twenty million, six hundred sixty-five thousand, five hundred four".