2112020434 has 4 divisors (see below), whose sum is σ = 3168030654. Its totient is φ = 1056010216.

The previous prime is 2112020429. The next prime is 2112020441. The reversal of 2112020434 is 4340202112.

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., 2111678209 + 342225 = 45953^2 + 585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528005107 + ... + 528005110.

Almost surely, 2^2112020434 is an apocalyptic number.

2112020434 is a deficient number, since it is larger than the sum of its proper divisors (1056010220).

2112020434 is a wasteful number, since it uses less digits than its factorization.

2112020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056010219.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2112020434 is about 45956.7234906928. The cubic root of 2112020434 is about 1283.0178697853.

Adding to 2112020434 its reverse (4340202112), we get a palindrome (6452222546).

The spelling of 2112020434 in words is "two billion, one hundred twelve million, twenty thousand, four hundred thirty-four".