20010097934081 has 2 divisors, whose sum is σ = 20010097934082. Its totient is φ = 20010097934080.

The previous prime is 20010097934063. The next prime is 20010097934089. The reversal of 20010097934081 is 18043979001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13350188671681 + 6659909262400 = 3653791^2 + 2580680^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010097934081 - 2²⁶ = 20010030825217 is a prime.

It is a super-2 number, since 2×20010097934081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20010097934089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005048967040 + 10005048967041.

It is an arithmetic number, because the mean of its divisors is an integer number (10005048967041).

Almost surely, 2^{20010097934081} is an apocalyptic number.

It is an amenable number.

20010097934081 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010097934081 is an equidigital number, since it uses as much as digits as its factorization.

20010097934081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 20010097934081 in words is "twenty trillion, ten billion, ninety-seven million, nine hundred thirty-four thousand, eighty-one".