20622059 has 2 divisors, whose sum is σ = 20622060. Its totient is φ = 20622058.

The previous prime is 20622029. The next prime is 20622067. The reversal of 20622059 is 95022602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20622059 - 2²⁴ = 3844843 is a prime.

It is not a weakly prime, because it can be changed into another prime (20622029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10311029 + 10311030.

It is an arithmetic number, because the mean of its divisors is an integer number (10311030).

Almost surely, 2^20622059 is an apocalyptic number.

20622059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20622059 is an equidigital number, since it uses as much as digits as its factorization.

20622059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20622059 is about 4541.1517261593. The cubic root of 20622059 is about 274.2272919991.

The spelling of 20622059 in words is "twenty million, six hundred twenty-two thousand, fifty-nine".