20361101 has 2 divisors, whose sum is σ = 20361102. Its totient is φ = 20361100.

The previous prime is 20361037. The next prime is 20361109. The reversal of 20361101 is 10116302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10407076 + 9954025 = 3226^2 + 3155^2 .

It is a cyclic number.

It is not a de Polignac number, because 20361101 - 2⁶ = 20361037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20361109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10180550 + 10180551.

It is an arithmetic number, because the mean of its divisors is an integer number (10180551).

Almost surely, 2^20361101 is an apocalyptic number.

It is an amenable number.

20361101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20361101 is an equidigital number, since it uses as much as digits as its factorization.

20361101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 20361101 is about 4512.3276698396. The cubic root of 20361101 is about 273.0656588663.

Adding to 20361101 its reverse (10116302), we get a palindrome (30477403).

The spelling of 20361101 in words is "twenty million, three hundred sixty-one thousand, one hundred one".