20229793 has 2 divisors, whose sum is σ = 20229794. Its totient is φ = 20229792.

The previous prime is 20229761. The next prime is 20229799. The reversal of 20229793 is 39792202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16589329 + 3640464 = 4073^2 + 1908^2 .

It is a cyclic number.

It is not a de Polignac number, because 20229793 - 2⁵ = 20229761 is a prime.

It is not a weakly prime, because it can be changed into another prime (20229799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10114896 + 10114897.

It is an arithmetic number, because the mean of its divisors is an integer number (10114897).

Almost surely, 2^20229793 is an apocalyptic number.

It is an amenable number.

20229793 is a deficient number, since it is larger than the sum of its proper divisors (1).

20229793 is an equidigital number, since it uses as much as digits as its factorization.

20229793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 20229793 is about 4497.7542173845. The cubic root of 20229793 is about 272.4773956504.

The spelling of 20229793 in words is "twenty million, two hundred twenty-nine thousand, seven hundred ninety-three".