20023321132130 has 32 divisors (see below), whose sum is σ = 36205004944944. Its totient is φ = 7973169198336.

The previous prime is 20023321132127. The next prime is 20023321132169. The reversal of 20023321132130 is 3123112332002.

It can be written as a sum of positive squares in 8 ways, for example, as 7192260421921 + 12831060710209 = 2681839^2 + 3582047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20023321132096 and 20023321132105.

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, 1985057 + ... + 6632276.

Almost surely, 2^{20023321132130} is an apocalyptic number.

20023321132130 is a deficient number, since it is larger than the sum of its proper divisors (16181683812814).

20023321132130 is a wasteful number, since it uses less digits than its factorization.

20023321132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618390.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20023321132130 its reverse (3123112332002), we get a palindrome (23146433464132).

The spelling of 20023321132130 in words is "twenty trillion, twenty-three billion, three hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty".