20234204121 has 4 divisors (see below), whose sum is σ = 26978938832. Its totient is φ = 13489469412.

The previous prime is 20234204113. The next prime is 20234204131. The reversal of 20234204121 is 12140243202.

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 20234204121 - 2³ = 20234204113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20234204131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372367351 + ... + 3372367356.

It is an arithmetic number, because the mean of its divisors is an integer number (6744734708).

Almost surely, 2^20234204121 is an apocalyptic number.

It is an amenable number.

20234204121 is a deficient number, since it is larger than the sum of its proper divisors (6744734711).

20234204121 is an equidigital number, since it uses as much as digits as its factorization.

20234204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744734710.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20234204121 its reverse (12140243202), we get a palindrome (32374447323).

The spelling of 20234204121 in words is "twenty billion, two hundred thirty-four million, two hundred four thousand, one hundred twenty-one".