20001013323002 has 4 divisors (see below), whose sum is σ = 30001519984506. Its totient is φ = 10000506661500.

The previous prime is 20001013322933. The next prime is 20001013323077. The reversal of 20001013323002 is 20032331010002.

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., 18103399626481 + 1897613696521 = 4254809^2 + 1377539^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000253330749 + ... + 5000253330752.

Almost surely, 2^{20001013323002} is an apocalyptic number.

20001013323002 is a deficient number, since it is larger than the sum of its proper divisors (10000506661504).

20001013323002 is a wasteful number, since it uses less digits than its factorization.

20001013323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000506661503.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20001013323002 its reverse (20032331010002), we get a palindrome (40033344333004).

The spelling of 20001013323002 in words is "twenty trillion, one billion, thirteen million, three hundred twenty-three thousand, two".