505165607020 has 48 divisors (see below), whose sum is σ = 1062348473088. Its totient is φ = 201780574400.

The previous prime is 505165607003. The next prime is 505165607021. The reversal of 505165607020 is 20706561505.

It is not an unprimeable number, because it can be changed into a prime (505165607021) 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, 89391195 + ... + 89396845.

It is an arithmetic number, because the mean of its divisors is an integer number (22132259856).

Almost surely, 2^505165607020 is an apocalyptic number.

It is an amenable number.

505165607020 is an abundant number, since it is smaller than the sum of its proper divisors (557182866068).

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

505165607020 is a wasteful number, since it uses less digits than its factorization.

505165607020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190 (or 11188 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 505165607020 in words is "five hundred five billion, one hundred sixty-five million, six hundred seven thousand, twenty".