20794099 has 2 divisors, whose sum is σ = 20794100. Its totient is φ = 20794098.

The previous prime is 20794079. The next prime is 20794121. The reversal of 20794099 is 99049702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20794099 - 2²¹ = 18696947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20794079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10397049 + 10397050.

It is an arithmetic number, because the mean of its divisors is an integer number (10397050).

Almost surely, 2^20794099 is an apocalyptic number.

20794099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20794099 is an equidigital number, since it uses as much as digits as its factorization.

20794099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 20794099 is about 4560.0547145840. The cubic root of 20794099 is about 274.9877636429.

The spelling of 20794099 in words is "twenty million, seven hundred ninety-four thousand, ninety-nine".