20204101 has 2 divisors, whose sum is σ = 20204102. Its totient is φ = 20204100.

The previous prime is 20204089. The next prime is 20204113. The reversal of 20204101 is 10140202.

It is a balanced prime because it is at equal distance from previous prime (20204089) and next prime (20204113).

It can be written as a sum of positive squares in only one way, i.e., 15249025 + 4955076 = 3905^2 + 2226^2 .

It is a cyclic number.

It is not a de Polignac number, because 20204101 - 2¹⁹ = 19679813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102050 + 10102051.

It is an arithmetic number, because the mean of its divisors is an integer number (10102051).

Almost surely, 2^20204101 is an apocalyptic number.

It is an amenable number.

20204101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204101 is an equidigital number, since it uses as much as digits as its factorization.

20204101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20204101 is about 4494.8972179573. The cubic root of 20204101 is about 272.3619972889.

Adding to 20204101 its reverse (10140202), we get a palindrome (30344303).

The spelling of 20204101 in words is "twenty million, two hundred four thousand, one hundred one".