505066620 has 48 divisors (see below), whose sum is σ = 1431239040. Its totient is φ = 133060416.

The previous prime is 505066619. The next prime is 505066631. The reversal of 505066620 is 26660505.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 45730 + ... + 55689.

It is an arithmetic number, because the mean of its divisors is an integer number (29817480).

Almost surely, 2^505066620 is an apocalyptic number.

It is an amenable number.

505066620 is an abundant number, since it is smaller than the sum of its proper divisors (926172420).

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

505066620 is a wasteful number, since it uses less digits than its factorization.

505066620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101514 (or 101512 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 505066620 is about 22473.6872809070. The cubic root of 505066620 is about 796.3724404604.

The spelling of 505066620 in words is "five hundred five million, sixty-six thousand, six hundred twenty".