20010012220801 has 2 divisors, whose sum is σ = 20010012220802. Its totient is φ = 20010012220800.

The previous prime is 20010012220789. The next prime is 20010012220813. The reversal of 20010012220801 is 10802221001002.

It is a balanced prime because it is at equal distance from previous prime (20010012220789) and next prime (20010012220813).

It can be written as a sum of positive squares in only one way, i.e., 14864101449201 + 5145910771600 = 3855399^2 + 2268460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010012220801 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010012250801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005006110400 + 10005006110401.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006110401).

Almost surely, 2^{20010012220801} is an apocalyptic number.

It is an amenable number.

20010012220801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010012220801 is an equidigital number, since it uses as much as digits as its factorization.

20010012220801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20010012220801 its reverse (10802221001002), we get a palindrome (30812233221803).

It can be divided in two parts, 200 and 10012220801, that added together give a palindrome (10012221001).

The spelling of 20010012220801 in words is "twenty trillion, ten billion, twelve million, two hundred twenty thousand, eight hundred one".