20331220101330 has 32 divisors (see below), whose sum is σ = 49621960929600. Its totient is φ = 5329766172992.

The previous prime is 20331220101287. The next prime is 20331220101341. The reversal of 20331220101330 is 3310102213302.

It is a junction number, because it is equal to n+sod(n) for n = 20331220101297 and 20331220101306.

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, 5743280745 + ... + 5743284284.

It is an arithmetic number, because the mean of its divisors is an integer number (1550686279050).

Almost surely, 2^{20331220101330} is an apocalyptic number.

20331220101330 is an abundant number, since it is smaller than the sum of its proper divisors (29290740828270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20331220101330 is a wasteful number, since it uses less digits than its factorization.

20331220101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486565098.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20331220101330 its reverse (3310102213302), we get a palindrome (23641322314632).

The spelling of 20331220101330 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, one hundred one thousand, three hundred thirty".