20003121313330 has 32 divisors (see below), whose sum is σ = 36643964444208. Its totient is φ = 7859738572800.

The previous prime is 20003121313327. The next prime is 20003121313367. The reversal of 20003121313330 is 3331312130002.

It can be written as a sum of positive squares in 8 ways, for example, as 2581488103401 + 17421633209929 = 1606701^2 + 4173923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21081127 + ... + 22009546.

Almost surely, 2^{20003121313330} is an apocalyptic number.

20003121313330 is a deficient number, since it is larger than the sum of its proper divisors (16640843130878).

20003121313330 is a wasteful number, since it uses less digits than its factorization.

20003121313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43091502.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20003121313330 its reverse (3331312130002), we get a palindrome (23334433443332).

The spelling of 20003121313330 in words is "twenty trillion, three billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred thirty".