20114421 has 8 divisors (see below), whose sum is σ = 27544224. Its totient is φ = 13047120.

The previous prime is 20114399. The next prime is 20114447. The reversal of 20114421 is 12441102.

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

It is not a de Polignac number, because 20114421 - 2⁵ = 20114389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20114421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114491) 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, 90495 + ... + 90716.

It is an arithmetic number, because the mean of its divisors is an integer number (3443028).

Almost surely, 2^20114421 is an apocalyptic number.

It is an amenable number.

20114421 is a deficient number, since it is larger than the sum of its proper divisors (7429803).

20114421 is a wasteful number, since it uses less digits than its factorization.

20114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181251.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 20114421 is about 4484.9103669973. The cubic root of 20114421 is about 271.9584215930.

Adding to 20114421 its reverse (12441102), we get a palindrome (32555523).

The spelling of 20114421 in words is "twenty million, one hundred fourteen thousand, four hundred twenty-one".