2120214402 has 24 divisors (see below), whose sum is σ = 4594756140. Its totient is φ = 706590720.

The previous prime is 2120214379. The next prime is 2120214413. The reversal of 2120214402 is 2044120212.

2120214402 is a `hidden beast` number, since 21 + 202 + 1 + 440 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1567447281 + 552767121 = 39591^2 + 23511^2 .

It is a super-2 number, since 2×2120214402² = 8990618220896435208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108502 + ... + 126542.

Almost surely, 2^2120214402 is an apocalyptic number.

2120214402 is an abundant number, since it is smaller than the sum of its proper divisors (2474541738).

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

2120214402 is a wasteful number, since it uses less digits than its factorization.

2120214402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24578 (or 24575 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2120214402 is about 46045.7859309622. The cubic root of 2120214402 is about 1284.6749624786.

Adding to 2120214402 its reverse (2044120212), we get a palindrome (4164334614).

The spelling of 2120214402 in words is "two billion, one hundred twenty million, two hundred fourteen thousand, four hundred two".