20792029 has 2 divisors, whose sum is σ = 20792030. Its totient is φ = 20792028.

The previous prime is 20792027. The next prime is 20792063. The reversal of 20792029 is 92029702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 8702500 = 3477^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 20792029 - 2¹ = 20792027 is a prime.

Together with 20792027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20792027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10396014 + 10396015.

It is an arithmetic number, because the mean of its divisors is an integer number (10396015).

Almost surely, 2^20792029 is an apocalyptic number.

It is an amenable number.

20792029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20792029 is an equidigital number, since it uses as much as digits as its factorization.

20792029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 20792029 is about 4559.8277379743. The cubic root of 20792029 is about 274.9786385611.

The spelling of 20792029 in words is "twenty million, seven hundred ninety-two thousand, twenty-nine".