2120277216 has 48 divisors (see below), whose sum is σ = 5623131024. Its totient is φ = 699469824.

The previous prime is 2120277191. The next prime is 2120277233. The reversal of 2120277216 is 6127720212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 104535 + ... + 123158.

It is an arithmetic number, because the mean of its divisors is an integer number (117148563).

Almost surely, 2^2120277216 is an apocalyptic number.

It is an amenable number.

2120277216 is an abundant number, since it is smaller than the sum of its proper divisors (3502853808).

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

2120277216 is a wasteful number, since it uses less digits than its factorization.

2120277216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227803 (or 227795 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2120277216 is about 46046.4680078722. The cubic root of 2120277216 is about 1284.6876490534.

Adding to 2120277216 its reverse (6127720212), we get a palindrome (8247997428).

The spelling of 2120277216 in words is "two billion, one hundred twenty million, two hundred seventy-seven thousand, two hundred sixteen".