20045332012 has 6 divisors (see below), whose sum is σ = 35079331028. Its totient is φ = 10022666004.

The previous prime is 20045331967. The next prime is 20045332049. The reversal of 20045332012 is 21023354002.

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 as a sum of consecutive naturals, namely, 2505666498 + ... + 2505666505.

Almost surely, 2^20045332012 is an apocalyptic number.

It is an amenable number.

20045332012 is a deficient number, since it is larger than the sum of its proper divisors (15033999016).

20045332012 is a wasteful number, since it uses less digits than its factorization.

20045332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011333007 (or 5011333005 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 20045332012 its reverse (21023354002), we get a palindrome (41068686014).

The spelling of 20045332012 in words is "twenty billion, forty-five million, three hundred thirty-two thousand, twelve".