20412003 has 16 divisors (see below), whose sum is σ = 28069632. Its totient is φ = 13188000.

The previous prime is 20411983. The next prime is 20412037. The reversal of 20412003 is 30021402.

It is not a de Polignac number, because 20412003 - 2¹³ = 20403811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20412003.

It is not an unprimeable number, because it can be changed into a prime (20412083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12208 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (1754352).

Almost surely, 2^20412003 is an apocalyptic number.

20412003 is a deficient number, since it is larger than the sum of its proper divisors (7657629).

20412003 is a wasteful number, since it uses less digits than its factorization.

20412003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20412003 is about 4517.9644752919. The cubic root of 20412003 is about 273.2930208576.

Adding to 20412003 its reverse (30021402), we get a palindrome (50433405).

The spelling of 20412003 in words is "twenty million, four hundred twelve thousand, three".