20344136312002 has 16 divisors (see below), whose sum is σ = 33184553032440. Its totient is φ = 9314962253568.

The previous prime is 20344136311979. The next prime is 20344136312057. The reversal of 20344136312002 is 20021363144302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19979210375721 + 364925936281 = 4469811^2 + 604091^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8085903477 + ... + 8085905992.

Almost surely, 2^{20344136312002} is an apocalyptic number.

20344136312002 is a deficient number, since it is larger than the sum of its proper divisors (12840416720438).

20344136312002 is a wasteful number, since it uses less digits than its factorization.

20344136312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16171809525.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20344136312002 its reverse (20021363144302), we get a palindrome (40365499456304).

The spelling of 20344136312002 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-six million, three hundred twelve thousand, two".