20160403 has 2 divisors, whose sum is σ = 20160404. Its totient is φ = 20160402.

The previous prime is 20160401. The next prime is 20160433. The reversal of 20160403 is 30406102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20160403 - 2¹ = 20160401 is a prime.

Together with 20160401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20160401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080201 + 10080202.

It is an arithmetic number, because the mean of its divisors is an integer number (10080202).

Almost surely, 2^20160403 is an apocalyptic number.

20160403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20160403 is an equidigital number, since it uses as much as digits as its factorization.

20160403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20160403 is about 4490.0337415213. The cubic root of 20160403 is about 272.1654981506.

Adding to 20160403 its reverse (30406102), we get a palindrome (50566505).

The spelling of 20160403 in words is "twenty million, one hundred sixty thousand, four hundred three".