20230102230021 has 6 divisors (see below), whose sum is σ = 29221258776710. Its totient is φ = 13486734820008.

The previous prime is 20230102229999. The next prime is 20230102230029. The reversal of 20230102230021 is 12003220103202.

20230102230021 is a `hidden beast` number, since 20 + 2 + 301 + 0 + 22 + 300 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18279806189121 + 1950296040900 = 4275489^2 + 1396530^2 .

It is not a de Polignac number, because 20230102230021 - 2²² = 20230098035717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20230102229976 and 20230102230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230102230029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123894568326 + ... + 1123894568343.

Almost surely, 2^{20230102230021} is an apocalyptic number.

It is an amenable number.

20230102230021 is a deficient number, since it is larger than the sum of its proper divisors (8991156546689).

20230102230021 is a wasteful number, since it uses less digits than its factorization.

20230102230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247789136675 (or 2247789136672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20230102230021 its reverse (12003220103202), we get a palindrome (32233322333223).

The spelling of 20230102230021 in words is "twenty trillion, two hundred thirty billion, one hundred two million, two hundred thirty thousand, twenty-one".