20023300121 has 8 divisors (see below), whose sum is σ = 21845844288. Its totient is φ = 18201130000.

The previous prime is 20023300097. The next prime is 20023300133. The reversal of 20023300121 is 12100332002.

It is a happy number.

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 20023300121 - 2¹⁰ = 20023299097 is a prime.

It is a super-2 number, since 2×20023300121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20023300096 and 20023300105.

It is not an unprimeable number, because it can be changed into a prime (20023300151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24956 + ... + 201666.

It is an arithmetic number, because the mean of its divisors is an integer number (2730730536).

Almost surely, 2^20023300121 is an apocalyptic number.

It is an amenable number.

20023300121 is a deficient number, since it is larger than the sum of its proper divisors (1822544167).

20023300121 is a wasteful number, since it uses less digits than its factorization.

20023300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187023.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20023300121 its reverse (12100332002), we get a palindrome (32123632123).

The spelling of 20023300121 in words is "twenty billion, twenty-three million, three hundred thousand, one hundred twenty-one".