20223230100021 has 32 divisors (see below), whose sum is σ = 33305788400640. Its totient is φ = 12043610971200.

The previous prime is 20223230099993. The next prime is 20223230100079. The reversal of 20223230100021 is 12000103232202.

It is not a de Polignac number, because 20223230100021 - 2¹³ = 20223230091829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223230099967 and 20223230100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223230101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929280090 + ... + 929301851.

It is an arithmetic number, because the mean of its divisors is an integer number (1040805887520).

Almost surely, 2^{20223230100021} is an apocalyptic number.

It is an amenable number.

20223230100021 is a deficient number, since it is larger than the sum of its proper divisors (13082558300619).

20223230100021 is a wasteful number, since it uses less digits than its factorization.

20223230100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858581994 (or 1858581988 counting only the distinct ones).

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

Adding to 20223230100021 its reverse (12000103232202), we get a palindrome (32223333332223).

The spelling of 20223230100021 in words is "twenty trillion, two hundred twenty-three billion, two hundred thirty million, one hundred thousand, twenty-one".