20070103 has 2 divisors, whose sum is σ = 20070104. Its totient is φ = 20070102.

The previous prime is 20070101. The next prime is 20070107. The reversal of 20070103 is 30107002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20070103 - 2¹ = 20070101 is a prime.

It is a super-4 number, since 4×20070103⁴ (a number of 30 digits) contains 4444 as substring.

Together with 20070101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20070101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10035051 + 10035052.

It is an arithmetic number, because the mean of its divisors is an integer number (10035052).

Almost surely, 2^20070103 is an apocalyptic number.

20070103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20070103 is an equidigital number, since it uses as much as digits as its factorization.

20070103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 20070103 is about 4479.9668525559. The cubic root of 20070103 is about 271.7585398592.

Adding to 20070103 its reverse (30107002), we get a palindrome (50177105).

The spelling of 20070103 in words is "twenty million, seventy thousand, one hundred three".