2516203020 has 48 divisors (see below), whose sum is σ = 7096078080. Its totient is φ = 666158016.

The previous prime is 2516202977. The next prime is 2516203021. The reversal of 2516203020 is 203026152.

2516203020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2516203021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142512 + ... + 159191.

It is an arithmetic number, because the mean of its divisors is an integer number (147834960).

Almost surely, 2^2516203020 is an apocalyptic number.

2516203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516203020 is an abundant number, since it is smaller than the sum of its proper divisors (4579875060).

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

2516203020 is a wasteful number, since it uses less digits than its factorization.

2516203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301854 (or 301852 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2516203020 is about 50161.7685094934. The cubic root of 2516203020 is about 1360.1346139822.

Adding to 2516203020 its reverse (203026152), we get a palindrome (2719229172).

The spelling of 2516203020 in words is "two billion, five hundred sixteen million, two hundred three thousand, twenty".