20476103 has 4 divisors (see below), whose sum is σ = 20485608. Its totient is φ = 20466600.

The previous prime is 20476051. The next prime is 20476139. The reversal of 20476103 is 30167402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20476103 - 2¹⁰ = 20475079 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 (20476153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 6402.

It is an arithmetic number, because the mean of its divisors is an integer number (5121402).

Almost surely, 2^20476103 is an apocalyptic number.

20476103 is a deficient number, since it is larger than the sum of its proper divisors (9505).

20476103 is an equidigital number, since it uses as much as digits as its factorization.

20476103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20476103 is about 4525.0528173713. The cubic root of 20476103 is about 273.5787967834.

The spelling of 20476103 in words is "twenty million, four hundred seventy-six thousand, one hundred three".