20412210403 has 32 divisors (see below), whose sum is σ = 23924001024. Its totient is φ = 17244444672.

The previous prime is 20412210389. The next prime is 20412210439. The reversal of 20412210403 is 30401221402.

It is not a de Polignac number, because 20412210403 - 2⁹ = 20412209891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412210443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1624501 + ... + 1637017.

It is an arithmetic number, because the mean of its divisors is an integer number (747625032).

Almost surely, 2^20412210403 is an apocalyptic number.

20412210403 is a deficient number, since it is larger than the sum of its proper divisors (3511790621).

20412210403 is a wasteful number, since it uses less digits than its factorization.

20412210403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20412210403 its reverse (30401221402), we get a palindrome (50813431805).

The spelling of 20412210403 in words is "twenty billion, four hundred twelve million, two hundred ten thousand, four hundred three".