20692241 has 2 divisors, whose sum is σ = 20692242. Its totient is φ = 20692240.

The previous prime is 20692229. The next prime is 20692253. The reversal of 20692241 is 14229602.

It is a balanced prime because it is at equal distance from previous prime (20692229) and next prime (20692253).

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 9610000 = 3329^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 20692241 - 2¹⁰ = 20691217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20692241.

It is not a weakly prime, because it can be changed into another prime (20692201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10346120 + 10346121.

It is an arithmetic number, because the mean of its divisors is an integer number (10346121).

Almost surely, 2^20692241 is an apocalyptic number.

It is an amenable number.

20692241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20692241 is an equidigital number, since it uses as much as digits as its factorization.

20692241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20692241 is about 4548.8724976636. The cubic root of 20692241 is about 274.5380276733.

The spelling of 20692241 in words is "twenty million, six hundred ninety-two thousand, two hundred forty-one".