648272013020 has 48 divisors (see below), whose sum is σ = 1405563817728. Its totient is φ = 250894471680.

The previous prime is 648272013007. The next prime is 648272013073. The reversal of 648272013020 is 20310272846.

648272013020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121544 + ... + 3322736.

It is an arithmetic number, because the mean of its divisors is an integer number (29282579536).

Almost surely, 2^648272013020 is an apocalyptic number.

It is an amenable number.

648272013020 is an abundant number, since it is smaller than the sum of its proper divisors (757291804708).

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

648272013020 is a wasteful number, since it uses less digits than its factorization.

648272013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206430 (or 206428 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 648272013020 its reverse (20310272846), we get a palindrome (668582285866).

The spelling of 648272013020 in words is "six hundred forty-eight billion, two hundred seventy-two million, thirteen thousand, twenty".