20330110120129 has 2 divisors, whose sum is σ = 20330110120130. Its totient is φ = 20330110120128.

The previous prime is 20330110120109. The next prime is 20330110120139. The reversal of 20330110120129 is 92102101103302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13664666730625 + 6665443389504 = 3696575^2 + 2581752^2 .

It is a cyclic number.

It is not a de Polignac number, because 20330110120129 - 2¹¹ = 20330110118081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330110120109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165055060064 + 10165055060065.

It is an arithmetic number, because the mean of its divisors is an integer number (10165055060065).

Almost surely, 2^{20330110120129} is an apocalyptic number.

It is an amenable number.

20330110120129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330110120129 is an equidigital number, since it uses as much as digits as its factorization.

20330110120129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 20330110120129 in words is "twenty trillion, three hundred thirty billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-nine".