20301209801 has 2 divisors, whose sum is σ = 20301209802. Its totient is φ = 20301209800.

The previous prime is 20301209743. The next prime is 20301209827. The reversal of 20301209801 is 10890210302.

It is an a-pointer prime, because the next prime (20301209827) can be obtained adding 20301209801 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12876802576 + 7424407225 = 113476^2 + 86165^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301209801 - 2¹⁰ = 20301208777 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301209861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150604900 + 10150604901.

It is an arithmetic number, because the mean of its divisors is an integer number (10150604901).

Almost surely, 2^20301209801 is an apocalyptic number.

It is an amenable number.

20301209801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301209801 is an equidigital number, since it uses as much as digits as its factorization.

20301209801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20301209801 in words is "twenty billion, three hundred one million, two hundred nine thousand, eight hundred one".