3040012020 has 24 divisors (see below), whose sum is σ = 8512033824. Its totient is φ = 810669856.

The previous prime is 3040012013. The next prime is 3040012021. The reversal of 3040012020 is 202100403.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3040011987 and 3040012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040012021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25333374 + ... + 25333493.

It is an arithmetic number, because the mean of its divisors is an integer number (354668076).

Almost surely, 2^3040012020 is an apocalyptic number.

3040012020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3040012020 is an abundant number, since it is smaller than the sum of its proper divisors (5472021804).

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

3040012020 is a wasteful number, since it uses less digits than its factorization.

3040012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50666879 (or 50666877 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3040012020 is about 55136.3040110597. The cubic root of 3040012020 is about 1448.6331979565.

Adding to 3040012020 its reverse (202100403), we get a palindrome (3242112423).

The spelling of 3040012020 in words is "three billion, forty million, twelve thousand, twenty".