20001020212093 has 2 divisors, whose sum is σ = 20001020212094. Its totient is φ = 20001020212092.

The previous prime is 20001020212079. The next prime is 20001020212139. The reversal of 20001020212093 is 39021202010002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18502153796569 + 1498866415524 = 4301413^2 + 1224282^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001020212093 - 2³⁷ = 19863581258621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001020212003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000510106046 + 10000510106047.

It is an arithmetic number, because the mean of its divisors is an integer number (10000510106047).

Almost surely, 2^{20001020212093} is an apocalyptic number.

It is an amenable number.

20001020212093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001020212093 is an equidigital number, since it uses as much as digits as its factorization.

20001020212093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20001020212093 its reverse (39021202010002), we get a palindrome (59022222222095).

The spelling of 20001020212093 in words is "twenty trillion, one billion, twenty million, two hundred twelve thousand, ninety-three".