20132023121 has 16 divisors (see below), whose sum is σ = 23648561280. Its totient is φ = 16776357120.

The previous prime is 20132023057. The next prime is 20132023127. The reversal of 20132023121 is 12132023102.

It is a cyclic number.

It is not a de Polignac number, because 20132023121 - 2⁶ = 20132023057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20132023121.

It is not an unprimeable number, because it can be changed into a prime (20132023127) 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, 304265 + ... + 364473.

It is an arithmetic number, because the mean of its divisors is an integer number (1478035080).

Almost surely, 2^20132023121 is an apocalyptic number.

It is an amenable number.

20132023121 is a deficient number, since it is larger than the sum of its proper divisors (3516538159).

20132023121 is a wasteful number, since it uses less digits than its factorization.

20132023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61544.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20132023121 its reverse (12132023102), we get a palindrome (32264046223).

The spelling of 20132023121 in words is "twenty billion, one hundred thirty-two million, twenty-three thousand, one hundred twenty-one".