20334341021 has 8 divisors (see below), whose sum is σ = 20469341280. Its totient is φ = 20199742992.

The previous prime is 20334341011. The next prime is 20334341023. The reversal of 20334341021 is 12014343302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20334341021 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 (20334341023) 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, 1226 + ... + 201668.

It is an arithmetic number, because the mean of its divisors is an integer number (2558667660).

Almost surely, 2^20334341021 is an apocalyptic number.

It is an amenable number.

20334341021 is a deficient number, since it is larger than the sum of its proper divisors (135000259).

20334341021 is a wasteful number, since it uses less digits than its factorization.

20334341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201115.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20334341021 its reverse (12014343302), we get a palindrome (32348684323).

The spelling of 20334341021 in words is "twenty billion, three hundred thirty-four million, three hundred forty-one thousand, twenty-one".