20331343541 has 8 divisors (see below), whose sum is σ = 20707726080. Its totient is φ = 19957936752.

The previous prime is 20331343523. The next prime is 20331343553. The reversal of 20331343541 is 14534313302.

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 20331343541 - 2³⁴ = 3151474357 is a prime.

It is a super-3 number, since 3×20331343541³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331343441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730145 + ... + 757478.

It is an arithmetic number, because the mean of its divisors is an integer number (2588465760).

Almost surely, 2^20331343541 is an apocalyptic number.

It is an amenable number.

20331343541 is a deficient number, since it is larger than the sum of its proper divisors (376382539).

20331343541 is a wasteful number, since it uses less digits than its factorization.

20331343541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487875.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20331343541 its reverse (14534313302), we get a palindrome (34865656843).

The spelling of 20331343541 in words is "twenty billion, three hundred thirty-one million, three hundred forty-three thousand, five hundred forty-one".