20304140002 has 4 divisors (see below), whose sum is σ = 30456210006. Its totient is φ = 10152070000.

The previous prime is 20304139969. The next prime is 20304140023. The reversal of 20304140002 is 20004140302.

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., 19774265641 + 529874361 = 140621^2 + 23019^2 .

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, 5076034999 + ... + 5076035002.

Almost surely, 2^20304140002 is an apocalyptic number.

20304140002 is a deficient number, since it is larger than the sum of its proper divisors (10152070004).

20304140002 is a wasteful number, since it uses less digits than its factorization.

20304140002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10152070003.

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

Adding to 20304140002 its reverse (20004140302), we get a palindrome (40308280304).

The spelling of 20304140002 in words is "twenty billion, three hundred four million, one hundred forty thousand, two".