20343030121 has 8 divisors (see below), whose sum is σ = 21018792384. Its totient is φ = 19678080240.

The previous prime is 20343030119. The next prime is 20343030131. The reversal of 20343030121 is 12103034302.

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

It is a cyclic number.

It is not a de Polignac number, because 20343030121 - 2¹ = 20343030119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20343030131) 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, 2699271 + ... + 2706796.

It is an arithmetic number, because the mean of its divisors is an integer number (2627349048).

Almost surely, 2^20343030121 is an apocalyptic number.

It is an amenable number.

20343030121 is a deficient number, since it is larger than the sum of its proper divisors (675762263).

20343030121 is an equidigital number, since it uses as much as digits as its factorization.

20343030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406191.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20343030121 its reverse (12103034302), we get a palindrome (32446064423).

The spelling of 20343030121 in words is "twenty billion, three hundred forty-three million, thirty thousand, one hundred twenty-one".