20010430361 has 2 divisors, whose sum is σ = 20010430362. Its totient is φ = 20010430360.

The previous prime is 20010430333. The next prime is 20010430367. The reversal of 20010430361 is 16303401002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11994630400 + 8015799961 = 109520^2 + 89531^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010430361 - 2¹⁰ = 20010429337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20010430367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005215180 + 10005215181.

It is an arithmetic number, because the mean of its divisors is an integer number (10005215181).

Almost surely, 2^20010430361 is an apocalyptic number.

It is an amenable number.

20010430361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010430361 is an equidigital number, since it uses as much as digits as its factorization.

20010430361 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 20.

Adding to 20010430361 its reverse (16303401002), we get a palindrome (36313831363).

The spelling of 20010430361 in words is "twenty billion, ten million, four hundred thirty thousand, three hundred sixty-one".