20314121 has 4 divisors (see below), whose sum is σ = 20332752. Its totient is φ = 20295492.

The previous prime is 20314117. The next prime is 20314127. The reversal of 20314121 is 12141302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12141302 = 2 ⋅6070651.

It is a cyclic number.

It is not a de Polignac number, because 20314121 - 2² = 20314117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20314096 and 20314105.

It is not an unprimeable number, because it can be changed into a prime (20314127) 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, 7571 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (5083188).

Almost surely, 2^20314121 is an apocalyptic number.

It is an amenable number.

20314121 is a deficient number, since it is larger than the sum of its proper divisors (18631).

20314121 is a wasteful number, since it uses less digits than its factorization.

20314121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20314121 is about 4507.1189245459. The cubic root of 20314121 is about 272.8554786147.

Adding to 20314121 its reverse (12141302), we get a palindrome (32455423).

The spelling of 20314121 in words is "twenty million, three hundred fourteen thousand, one hundred twenty-one".