2120228550 has 216 divisors, whose sum is σ = 6537362832. Its totient is φ = 491356800.

The previous prime is 2120228507. The next prime is 2120228587. The reversal of 2120228550 is 558220212.

2120228550 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1251504 + ... + 1253196.

Almost surely, 2^2120228550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120228550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3268681416).

2120228550 is an abundant number, since it is smaller than the sum of its proper divisors (4417134282).

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

2120228550 is a wasteful number, since it uses less digits than its factorization.

2120228550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 2120228550 is about 46045.9395603999. The cubic root of 2120228550 is about 1284.6778199790.

Adding to 2120228550 its reverse (558220212), we get a palindrome (2678448762).

The spelling of 2120228550 in words is "two billion, one hundred twenty million, two hundred twenty-eight thousand, five hundred fifty".