20414002403 has 4 divisors (see below), whose sum is σ = 20491622448. Its totient is φ = 20336382360.

The previous prime is 20414002379. The next prime is 20414002463. The reversal of 20414002403 is 30420041402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20414002403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20414002463) 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, 38809628 + ... + 38810153.

It is an arithmetic number, because the mean of its divisors is an integer number (5122905612).

Almost surely, 2^20414002403 is an apocalyptic number.

20414002403 is a deficient number, since it is larger than the sum of its proper divisors (77620045).

20414002403 is an equidigital number, since it uses as much as digits as its factorization.

20414002403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77620044.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20414002403 its reverse (30420041402), we get a palindrome (50834043805).

The spelling of 20414002403 in words is "twenty billion, four hundred fourteen million, two thousand, four hundred three".