2120222032 has 20 divisors (see below), whose sum is σ = 4108828660. Its totient is φ = 1059879168.

The previous prime is 2120222021. The next prime is 2120222033. The reversal of 2120222032 is 2302220212.

It can be written as a sum of positive squares in 2 ways, for example, as 1021697296 + 1098524736 = 31964^2 + 33144^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2120221997 and 2120222015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120222033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79378 + ... + 102670.

It is an arithmetic number, because the mean of its divisors is an integer number (205441433).

Almost surely, 2^2120222032 is an apocalyptic number.

It is an amenable number.

2120222032 is a deficient number, since it is larger than the sum of its proper divisors (1988606628).

2120222032 is a wasteful number, since it uses less digits than its factorization.

2120222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28990 (or 28984 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2120222032 is about 46045.8687832036. The cubic root of 2120222032 is about 1284.6765035268.

Adding to 2120222032 its reverse (2302220212), we get a palindrome (4422442244).

It can be divided in two parts, 21202 and 22032, that added together give a palindrome (43234).

The spelling of 2120222032 in words is "two billion, one hundred twenty million, two hundred twenty-two thousand, thirty-two".