20341134021 has 8 divisors (see below), whose sum is σ = 29207782240. Its totient is φ = 12517620912.

The previous prime is 20341134017. The next prime is 20341134043. The reversal of 20341134021 is 12043114302.

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

It is not a de Polignac number, because 20341134021 - 2² = 20341134017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341134071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260783731 + ... + 260783808.

It is an arithmetic number, because the mean of its divisors is an integer number (3650972780).

Almost surely, 2^20341134021 is an apocalyptic number.

It is an amenable number.

20341134021 is a deficient number, since it is larger than the sum of its proper divisors (8866648219).

20341134021 is a wasteful number, since it uses less digits than its factorization.

20341134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521567555.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20341134021 its reverse (12043114302), we get a palindrome (32384248323).

The spelling of 20341134021 in words is "twenty billion, three hundred forty-one million, one hundred thirty-four thousand, twenty-one".