2120452804 has 12 divisors (see below), whose sum is σ = 3721427500. Its totient is φ = 1057187808.

The previous prime is 2120452787. The next prime is 2120452813. The reversal of 2120452804 is 4082540212.

It can be written as a sum of positive squares in 2 ways, for example, as 809288704 + 1311164100 = 28448^2 + 36210^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758079 + ... + 760870.

Almost surely, 2^2120452804 is an apocalyptic number.

It is an amenable number.

2120452804 is a deficient number, since it is larger than the sum of its proper divisors (1600974696).

2120452804 is a wasteful number, since it uses less digits than its factorization.

2120452804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519302 (or 1519300 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 2120452804 is about 46048.3746075798. The cubic root of 2120452804 is about 1284.7231113201.

The spelling of 2120452804 in words is "two billion, one hundred twenty million, four hundred fifty-two thousand, eight hundred four".