20010023329 has 2 divisors, whose sum is σ = 20010023330. Its totient is φ = 20010023328.

The previous prime is 20010023273. The next prime is 20010023339. The reversal of 20010023329 is 92332001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17689000000 + 2321023329 = 133000^2 + 48177^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010023329 - 2¹¹ = 20010021281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010023339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005011664 + 10005011665.

It is an arithmetic number, because the mean of its divisors is an integer number (10005011665).

Almost surely, 2^20010023329 is an apocalyptic number.

It is an amenable number.

20010023329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010023329 is an equidigital number, since it uses as much as digits as its factorization.

20010023329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 20010023329 in words is "twenty billion, ten million, twenty-three thousand, three hundred twenty-nine".