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20039207 is a prime number
BaseRepresentation
bin100110001110…
…0011000100111
31101201002121212
41030130120213
520112223312
61553302035
7332221226
oct114343047
941632555
1020039207
1110347831
12686491b
1341c8226
142938cbd
151b5c822
hex131c627

20039207 has 2 divisors, whose sum is σ = 20039208. Its totient is φ = 20039206.

The previous prime is 20039191. The next prime is 20039221. The reversal of 20039207 is 70293002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20039207 - 24 = 20039191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20039287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10019603 + 10019604.

It is an arithmetic number, because the mean of its divisors is an integer number (10019604).

Almost surely, 220039207 is an apocalyptic number.

20039207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20039207 is an equidigital number, since it uses as much as digits as its factorization.

20039207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20039207 is about 4476.5172846757. The cubic root of 20039207 is about 271.6190194999.

The spelling of 20039207 in words is "twenty million, thirty-nine thousand, two hundred seven".