20292241 has 2 divisors, whose sum is σ = 20292242. Its totient is φ = 20292240.

The previous prime is 20292227. The next prime is 20292263. The reversal of 20292241 is 14229202.

It is an a-pointer prime, because the next prime (20292263) can be obtained adding 20292241 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 221841 = 4480^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 20292241 - 2⁷ = 20292113 is a prime.

It is not a weakly prime, because it can be changed into another prime (20292221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10146120 + 10146121.

It is an arithmetic number, because the mean of its divisors is an integer number (10146121).

Almost surely, 2^20292241 is an apocalyptic number.

It is an amenable number.

20292241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20292241 is an equidigital number, since it uses as much as digits as its factorization.

20292241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20292241 is about 4504.6909993916. The cubic root of 20292241 is about 272.7574807314.

The spelling of 20292241 in words is "twenty million, two hundred ninety-two thousand, two hundred forty-one".