20212302004 has 6 divisors (see below), whose sum is σ = 35371528514. Its totient is φ = 10106151000.

The previous prime is 20212301957. The next prime is 20212302007. The reversal of 20212302004 is 40020321202.

It can be written as a sum of positive squares in only one way, i.e., 11404104100 + 8808197904 = 106790^2 + 93852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212302007) by changing a digit.

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, 2526537747 + ... + 2526537754.

Almost surely, 2^20212302004 is an apocalyptic number.

It is an amenable number.

20212302004 is a deficient number, since it is larger than the sum of its proper divisors (15159226510).

20212302004 is a wasteful number, since it uses less digits than its factorization.

20212302004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053075505 (or 5053075503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20212302004 its reverse (40020321202), we get a palindrome (60232623206).

The spelling of 20212302004 in words is "twenty billion, two hundred twelve million, three hundred two thousand, four".