20132003121 has 16 divisors (see below), whose sum is σ = 27035157120. Its totient is φ = 13325368320.

The previous prime is 20132003053. The next prime is 20132003137. The reversal of 20132003121 is 12130023102.

It is not a de Polignac number, because 20132003121 - 2¹³ = 20131994929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20132003121.

It is not an unprimeable number, because it can be changed into a prime (20132003161) 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 15 ways as a sum of consecutive naturals, for example, 260556 + ... + 328866.

It is an arithmetic number, because the mean of its divisors is an integer number (1689697320).

Almost surely, 2^20132003121 is an apocalyptic number.

It is an amenable number.

20132003121 is a deficient number, since it is larger than the sum of its proper divisors (6903153999).

20132003121 is a wasteful number, since it uses less digits than its factorization.

20132003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69016.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20132003121 its reverse (12130023102), we get a palindrome (32262026223).

The spelling of 20132003121 in words is "twenty billion, one hundred thirty-two million, three thousand, one hundred twenty-one".