20540103 has 8 divisors (see below), whose sum is σ = 27836016. Its totient is φ = 13468800.

The previous prime is 20540101. The next prime is 20540129. The reversal of 20540103 is 30104502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20540103 - 2¹ = 20540101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20540101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55938 + ... + 56303.

It is an arithmetic number, because the mean of its divisors is an integer number (3479502).

Almost surely, 2^20540103 is an apocalyptic number.

20540103 is a deficient number, since it is larger than the sum of its proper divisors (7295913).

20540103 is a wasteful number, since it uses less digits than its factorization.

20540103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112305.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20540103 is about 4532.1190408020. The cubic root of 20540103 is about 273.8635324832.

Adding to 20540103 its reverse (30104502), we get a palindrome (50644605).

The spelling of 20540103 in words is "twenty million, five hundred forty thousand, one hundred three".