20214014421 has 4 divisors (see below), whose sum is σ = 26952019232. Its totient is φ = 13476009612.

The previous prime is 20214014417. The next prime is 20214014477. The reversal of 20214014421 is 12441041202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20214014421 - 2² = 20214014417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214014921) 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, 3369002401 + ... + 3369002406.

It is an arithmetic number, because the mean of its divisors is an integer number (6738004808).

Almost surely, 2^20214014421 is an apocalyptic number.

It is an amenable number.

20214014421 is a deficient number, since it is larger than the sum of its proper divisors (6738004811).

20214014421 is an equidigital number, since it uses as much as digits as its factorization.

20214014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738004810.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20214014421 its reverse (12441041202), we get a palindrome (32655055623).

The spelling of 20214014421 in words is "twenty billion, two hundred fourteen million, fourteen thousand, four hundred twenty-one".