505253154020 has 24 divisors (see below), whose sum is σ = 1079015212800. Its totient is φ = 198675816032.

The previous prime is 505253154011. The next prime is 505253154047. The reversal of 505253154020 is 20451352505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214089140 + ... + 214091499.

It is an arithmetic number, because the mean of its divisors is an integer number (44958967200).

Almost surely, 2^505253154020 is an apocalyptic number.

It is an amenable number.

505253154020 is an abundant number, since it is smaller than the sum of its proper divisors (573762058780).

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

505253154020 is a wasteful number, since it uses less digits than its factorization.

505253154020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428180707 (or 428180705 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 505253154020 in words is "five hundred five billion, two hundred fifty-three million, one hundred fifty-four thousand, twenty".