20703107 has 2 divisors, whose sum is σ = 20703108. Its totient is φ = 20703106.

The previous prime is 20703101. The next prime is 20703113. The reversal of 20703107 is 70130702.

It is a balanced prime because it is at equal distance from previous prime (20703101) and next prime (20703113).

It is a cyclic number.

It is not a de Polignac number, because 20703107 - 2¹⁰ = 20702083 is a prime.

It is not a weakly prime, because it can be changed into another prime (20703101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10351553 + 10351554.

It is an arithmetic number, because the mean of its divisors is an integer number (10351554).

Almost surely, 2^20703107 is an apocalyptic number.

20703107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20703107 is an equidigital number, since it uses as much as digits as its factorization.

20703107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 20703107 is about 4550.0667028078. The cubic root of 20703107 is about 274.5860748003.

Adding to 20703107 its reverse (70130702), we get a palindrome (90833809).

The spelling of 20703107 in words is "twenty million, seven hundred three thousand, one hundred seven".