2120214442 has 12 divisors (see below), whose sum is σ = 3235149666. Its totient is φ = 1042135880.

The previous prime is 2120214413. The next prime is 2120214443. The reversal of 2120214442 is 2444120212.

It can be written as a sum of positive squares in only one way, i.e., 2069249121 + 50965321 = 45489^2 + 7139^2 .

It is not an unprimeable number, because it can be changed into a prime (2120214443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145309 + ... + 159232.

Almost surely, 2^2120214442 is an apocalyptic number.

2120214442 is a deficient number, since it is larger than the sum of its proper divisors (1114935224).

2120214442 is an equidigital number, since it uses as much as digits as its factorization.

2120214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304661 (or 304602 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2120214442 is about 46045.7863653125. The cubic root of 2120214442 is about 1284.6749705575.

Adding to 2120214442 its reverse (2444120212), we get a palindrome (4564334654).

The spelling of 2120214442 in words is "two billion, one hundred twenty million, two hundred fourteen thousand, four hundred forty-two".