2120324554 has 4 divisors (see below), whose sum is σ = 3180486834. Its totient is φ = 1060162276.

The previous prime is 2120324533. The next prime is 2120324561. The reversal of 2120324554 is 4554230212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1679114529 + 441210025 = 40977^2 + 21005^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530081137 + ... + 530081140.

Almost surely, 2^2120324554 is an apocalyptic number.

2120324554 is a deficient number, since it is larger than the sum of its proper divisors (1060162280).

2120324554 is a wasteful number, since it uses less digits than its factorization.

2120324554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060162279.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2120324554 is about 46046.9820292275. The cubic root of 2120324554 is about 1284.6972097673.

Adding to 2120324554 its reverse (4554230212), we get a palindrome (6674554766).

The spelling of 2120324554 in words is "two billion, one hundred twenty million, three hundred twenty-four thousand, five hundred fifty-four".