20010131201 has 2 divisors, whose sum is σ = 20010131202. Its totient is φ = 20010131200.

The previous prime is 20010131189. The next prime is 20010131213. The reversal of 20010131201 is 10213101002.

It is a balanced prime because it is at equal distance from previous prime (20010131189) and next prime (20010131213).

It can be written as a sum of positive squares in only one way, i.e., 15631000576 + 4379130625 = 125024^2 + 66175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010131201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010131101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005065600 + 10005065601.

It is an arithmetic number, because the mean of its divisors is an integer number (10005065601).

Almost surely, 2^20010131201 is an apocalyptic number.

It is an amenable number.

20010131201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010131201 is an equidigital number, since it uses as much as digits as its factorization.

20010131201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20010131201 its reverse (10213101002), we get a palindrome (30223232203).

The spelling of 20010131201 in words is "twenty billion, ten million, one hundred thirty-one thousand, two hundred one".