20023100121 has 8 divisors (see below), whose sum is σ = 26724796704. Its totient is φ = 13335068480.

The previous prime is 20023100081. The next prime is 20023100131. The reversal of 20023100121 is 12100132002.

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 20023100121 - 2¹⁵ = 20023067353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023100097 and 20023100106.

It is not an unprimeable number, because it can be changed into a prime (20023100131) 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, 3412815 + ... + 3418676.

It is an arithmetic number, because the mean of its divisors is an integer number (3340599588).

Almost surely, 2^20023100121 is an apocalyptic number.

It is an amenable number.

20023100121 is a deficient number, since it is larger than the sum of its proper divisors (6701696583).

20023100121 is an equidigital number, since it uses as much as digits as its factorization.

20023100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832471.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20023100121 its reverse (12100132002), we get a palindrome (32123232123).

The spelling of 20023100121 in words is "twenty billion, twenty-three million, one hundred thousand, one hundred twenty-one".