550221242020 has 24 divisors (see below), whose sum is σ = 1155490560000. Its totient is φ = 220083553632.

The previous prime is 550221241993. The next prime is 550221242047. The reversal of 550221242020 is 20242122055.

550221242020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (550221241993) and next prime (550221242047).

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, 681181 + ... + 1250779.

It is an arithmetic number, because the mean of its divisors is an integer number (48145440000).

Almost surely, 2^550221242020 is an apocalyptic number.

It is an amenable number.

550221242020 is an abundant number, since it is smaller than the sum of its proper divisors (605269317980).

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

550221242020 is a wasteful number, since it uses less digits than its factorization.

550221242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617907 (or 617905 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 550221242020 its reverse (20242122055), we get a palindrome (570463364075).

The spelling of 550221242020 in words is "five hundred fifty billion, two hundred twenty-one million, two hundred forty-two thousand, twenty".