3040000020 has 72 divisors (see below), whose sum is σ = 9225838440. Its totient is φ = 810270720.

The previous prime is 3040000009. The next prime is 3040000039. The reversal of 3040000020 is 200000403.

It can be written as a sum of positive squares in 4 ways, for example, as 1120508676 + 1919491344 = 33474^2 + 43812^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 3039999957 and 3040000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676180 + ... + 680660.

It is an arithmetic number, because the mean of its divisors is an integer number (128136645).

Almost surely, 2^3040000020 is an apocalyptic number.

3040000020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3040000020 is an abundant number, since it is smaller than the sum of its proper divisors (6185838420).

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

3040000020 is a wasteful number, since it uses less digits than its factorization.

3040000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 3040000020 is about 55136.1951897299. The cubic root of 3040000020 is about 1448.6312918652.

Adding to 3040000020 its reverse (200000403), we get a palindrome (3240000423).

The spelling of 3040000020 in words is "three billion, forty million, twenty", and thus it is an aban number and an uban number.