550203051220 has 12 divisors (see below), whose sum is σ = 1155426407604. Its totient is φ = 220081220480.

The previous prime is 550203051199. The next prime is 550203051241. The reversal of 550203051220 is 22150302055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (550203051199) and next prime (550203051241).

It can be written as a sum of positive squares in 2 ways, for example, as 56722090896 + 493480960324 = 238164^2 + 702482^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13755076261 + ... + 13755076300.

It is an arithmetic number, because the mean of its divisors is an integer number (96285533967).

Almost surely, 2^550203051220 is an apocalyptic number.

It is an amenable number.

550203051220 is an abundant number, since it is smaller than the sum of its proper divisors (605223356384).

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

550203051220 is a wasteful number, since it uses less digits than its factorization.

550203051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27510152570 (or 27510152568 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 550203051220 its reverse (22150302055), we get a palindrome (572353353275).

The spelling of 550203051220 in words is "five hundred fifty billion, two hundred three million, fifty-one thousand, two hundred twenty".