20403414311 has 8 divisors (see below), whose sum is σ = 23391749280. Its totient is φ = 17433469728.

The previous prime is 20403414223. The next prime is 20403414341. The reversal of 20403414311 is 11341430402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20403414311 - 2²⁶ = 20336305447 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 (20403414341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595216 + ... + 4599653.

It is an arithmetic number, because the mean of its divisors is an integer number (2923968660).

Almost surely, 2^20403414311 is an apocalyptic number.

20403414311 is a deficient number, since it is larger than the sum of its proper divisors (2988334969).

20403414311 is an equidigital number, since it uses as much as digits as its factorization.

20403414311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195193.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20403414311 its reverse (11341430402), we get a palindrome (31744844713).

The spelling of 20403414311 in words is "twenty billion, four hundred three million, four hundred fourteen thousand, three hundred eleven".