20475103 has 8 divisors (see below), whose sum is σ = 23512320. Its totient is φ = 17633880.

The previous prime is 20475101. The next prime is 20475107. The reversal of 20475103 is 30157402.

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

It is not a de Polignac number, because 20475103 - 2¹ = 20475101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20475101) 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, 48775 + ... + 49192.

It is an arithmetic number, because the mean of its divisors is an integer number (2939040).

Almost surely, 2^20475103 is an apocalyptic number.

20475103 is a deficient number, since it is larger than the sum of its proper divisors (3037217).

20475103 is a wasteful number, since it uses less digits than its factorization.

20475103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97997.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20475103 is about 4524.9423200744. The cubic root of 20475103 is about 273.5743430836.

The spelling of 20475103 in words is "twenty million, four hundred seventy-five thousand, one hundred three".