505030212020 has 48 divisors (see below), whose sum is σ = 1085913803520. Its totient is φ = 197205550464.

The previous prime is 505030212019. The next prime is 505030212047. The reversal of 505030212020 is 20212030505.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 505030211983 and 505030212001.

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, 324914 + ... + 1056233.

It is an arithmetic number, because the mean of its divisors is an integer number (22623204240).

Almost surely, 2^505030212020 is an apocalyptic number.

It is an amenable number.

505030212020 is an abundant number, since it is smaller than the sum of its proper divisors (580883591500).

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

505030212020 is a wasteful number, since it uses less digits than its factorization.

505030212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381592 (or 1381590 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 505030212020 its reverse (20212030505), we get a palindrome (525242242525).

The spelling of 505030212020 in words is "five hundred five billion, thirty million, two hundred twelve thousand, twenty".