2120453052 has 12 divisors (see below), whose sum is σ = 4947723816. Its totient is φ = 706817680.

The previous prime is 2120453011. The next prime is 2120453089. The reversal of 2120453052 is 2503540212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2120453052² = 8992642291472229408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88352199 + ... + 88352222.

It is an arithmetic number, because the mean of its divisors is an integer number (412310318).

Almost surely, 2^2120453052 is an apocalyptic number.

It is an amenable number.

2120453052 is an abundant number, since it is smaller than the sum of its proper divisors (2827270764).

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

2120453052 is a wasteful number, since it uses less digits than its factorization.

2120453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176704428 (or 176704426 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2120453052 is about 46048.3773004001. The cubic root of 2120453052 is about 1284.7231614055.

Adding to 2120453052 its reverse (2503540212), we get a palindrome (4623993264).

The spelling of 2120453052 in words is "two billion, one hundred twenty million, four hundred fifty-three thousand, fifty-two".