2665033020 has 144 divisors (see below), whose sum is σ = 8724005472. Its totient is φ = 654635520.

The previous prime is 2665033013. The next prime is 2665033099. The reversal of 2665033020 is 203305662.

2665033020 is a `hidden beast` number, since 2 + 6 + 650 + 3 + 3 + 0 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1545879 + ... + 1547601.

Almost surely, 2^2665033020 is an apocalyptic number.

2665033020 is a gapful number since it is divisible by the number (20) 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 2665033020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4362002736).

2665033020 is an abundant number, since it is smaller than the sum of its proper divisors (6058972452).

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

2665033020 is a wasteful number, since it uses less digits than its factorization.

2665033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 2665033020 is about 51623.9578103035. The cubic root of 2665033020 is about 1386.4393140216.

Adding to 2665033020 its reverse (203305662), we get a palindrome (2868338682).

The spelling of 2665033020 in words is "two billion, six hundred sixty-five million, thirty-three thousand, twenty".