555200072220 has 24 divisors (see below), whose sum is σ = 1554560202384. Its totient is φ = 148053352576.

The previous prime is 555200072197. The next prime is 555200072221. The reversal of 555200072220 is 22270002555.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555200072221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4626667209 + ... + 4626667328.

It is an arithmetic number, because the mean of its divisors is an integer number (64773341766).

Almost surely, 2^555200072220 is an apocalyptic number.

It is an amenable number.

555200072220 is an abundant number, since it is smaller than the sum of its proper divisors (999360130164).

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

555200072220 is a wasteful number, since it uses less digits than its factorization.

555200072220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253334549 (or 9253334547 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

Adding to 555200072220 its reverse (22270002555), we get a palindrome (577470074775).

The spelling of 555200072220 in words is "five hundred fifty-five billion, two hundred million, seventy-two thousand, two hundred twenty".