20750103 has 12 divisors (see below), whose sum is σ = 32697288. Its totient is φ = 12575760.

The previous prime is 20750099. The next prime is 20750111. The reversal of 20750103 is 30105702.

It is not a de Polignac number, because 20750103 - 2² = 20750099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104700 + ... + 104897.

It is an arithmetic number, because the mean of its divisors is an integer number (2724774).

Almost surely, 2^20750103 is an apocalyptic number.

20750103 is a deficient number, since it is larger than the sum of its proper divisors (11947185).

20750103 is a wasteful number, since it uses less digits than its factorization.

20750103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209614 (or 209611 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20750103 is about 4555.2280952769. The cubic root of 20750103 is about 274.7936876820.

Adding to 20750103 its reverse (30105702), we get a palindrome (50855805).

The spelling of 20750103 in words is "twenty million, seven hundred fifty thousand, one hundred three".