20010023273 has 2 divisors, whose sum is σ = 20010023274. Its totient is φ = 20010023272.

The previous prime is 20010023237. The next prime is 20010023329. The reversal of 20010023273 is 37232001002.

Together with previous prime (20010023237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15532138384 + 4477884889 = 124628^2 + 66917^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010023273 - 2¹² = 20010019177 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010023233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005011636 + 10005011637.

It is an arithmetic number, because the mean of its divisors is an integer number (10005011637).

Almost surely, 2^20010023273 is an apocalyptic number.

It is an amenable number.

20010023273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010023273 is an equidigital number, since it uses as much as digits as its factorization.

20010023273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 20010023273 its reverse (37232001002), we get a palindrome (57242024275).

The spelling of 20010023273 in words is "twenty billion, ten million, twenty-three thousand, two hundred seventy-three".