20312640200002 has 8 divisors (see below), whose sum is σ = 30478729132800. Its totient is φ = 10153063822404.

The previous prime is 20312640199981. The next prime is 20312640200011. The reversal of 20312640200002 is 20000204621302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628131002 + ... + 1628143477.

It is an arithmetic number, because the mean of its divisors is an integer number (3809841141600).

Almost surely, 2^{20312640200002} is an apocalyptic number.

20312640200002 is a deficient number, since it is larger than the sum of its proper divisors (10166088932798).

20312640200002 is a wasteful number, since it uses less digits than its factorization.

20312640200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256277600.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20312640200002 its reverse (20000204621302), we get a palindrome (40312844821304).

The spelling of 20312640200002 in words is "twenty trillion, three hundred twelve billion, six hundred forty million, two hundred thousand, two".