20010110110073 has 2 divisors, whose sum is σ = 20010110110074. Its totient is φ = 20010110110072.

The previous prime is 20010110110069. The next prime is 20010110110103. The reversal of 20010110110073 is 37001101101002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16394951668624 + 3615158441449 = 4049068^2 + 1901357^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010110110073 - 2² = 20010110110069 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010110110063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005055055036 + 10005055055037.

It is an arithmetic number, because the mean of its divisors is an integer number (10005055055037).

Almost surely, 2^{20010110110073} is an apocalyptic number.

It is an amenable number.

20010110110073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010110110073 is an equidigital number, since it uses as much as digits as its factorization.

20010110110073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

Adding to 20010110110073 its reverse (37001101101002), we get a palindrome (57011211211075).

The spelling of 20010110110073 in words is "twenty trillion, ten billion, one hundred ten million, one hundred ten thousand, seventy-three".