3020501540 has 24 divisors (see below), whose sum is σ = 7249204032. Its totient is φ = 1035600480.

The previous prime is 3020501521. The next prime is 3020501543. The reversal of 3020501540 is 451050203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3020501543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10787366 + ... + 10787645.

It is an arithmetic number, because the mean of its divisors is an integer number (302050168).

Almost surely, 2^3020501540 is an apocalyptic number.

It is an amenable number.

3020501540 is an abundant number, since it is smaller than the sum of its proper divisors (4228702492).

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

3020501540 is a wasteful number, since it uses less digits than its factorization.

3020501540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21575027 (or 21575025 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3020501540 is about 54959.0896940624. The cubic root of 3020501540 is about 1445.5274854913.

Adding to 3020501540 its reverse (451050203), we get a palindrome (3471551743).

The spelling of 3020501540 in words is "three billion, twenty million, five hundred one thousand, five hundred forty".