20133014221 has 4 divisors (see below), whose sum is σ = 20133907744. Its totient is φ = 20132120700.

The previous prime is 20133014197. The next prime is 20133014233. The reversal of 20133014221 is 12241033102.

It is a happy number.

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: 12241033102 = 2 ⋅6120516551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133014221 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 (20133014261) 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, 412065 + ... + 458326.

It is an arithmetic number, because the mean of its divisors is an integer number (5033476936).

Almost surely, 2^20133014221 is an apocalyptic number.

It is an amenable number.

20133014221 is a deficient number, since it is larger than the sum of its proper divisors (893523).

20133014221 is an equidigital number, since it uses as much as digits as its factorization.

20133014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893522.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20133014221 its reverse (12241033102), we get a palindrome (32374047323).

The spelling of 20133014221 in words is "twenty billion, one hundred thirty-three million, fourteen thousand, two hundred twenty-one".