20132340121 has 16 divisors (see below), whose sum is σ = 20406291840. Its totient is φ = 19860952320.

The previous prime is 20132340103. The next prime is 20132340133. The reversal of 20132340121 is 12104323102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20132340121 - 2¹¹ = 20132338073 is a prime.

It is a super-2 number, since 2×20132340121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132340521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12527100 + ... + 12528706.

It is an arithmetic number, because the mean of its divisors is an integer number (1275393240).

Almost surely, 2^20132340121 is an apocalyptic number.

It is an amenable number.

20132340121 is a deficient number, since it is larger than the sum of its proper divisors (273951719).

20132340121 is a wasteful number, since it uses less digits than its factorization.

20132340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20132340121 its reverse (12104323102), we get a palindrome (32236663223).

The spelling of 20132340121 in words is "twenty billion, one hundred thirty-two million, three hundred forty thousand, one hundred twenty-one".