20741153 has 2 divisors, whose sum is σ = 20741154. Its totient is φ = 20741152.

The previous prime is 20741129. The next prime is 20741167. The reversal of 20741153 is 35114702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20720704 + 20449 = 4552^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 20741153 - 2¹⁶ = 20675617 is a prime.

It is not a weakly prime, because it can be changed into another prime (20741753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10370576 + 10370577.

It is an arithmetic number, because the mean of its divisors is an integer number (10370577).

Almost surely, 2^20741153 is an apocalyptic number.

It is an amenable number.

20741153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20741153 is an equidigital number, since it uses as much as digits as its factorization.

20741153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 20741153 is about 4554.2456016337. The cubic root of 20741153 is about 274.7541737064.

Adding to 20741153 its reverse (35114702), we get a palindrome (55855855).

The spelling of 20741153 in words is "twenty million, seven hundred forty-one thousand, one hundred fifty-three".