20000011230021 has 8 divisors (see below), whose sum is σ = 26666702618080. Its totient is φ = 13333330330992.

The previous prime is 20000011230007. The next prime is 20000011230079. The reversal of 20000011230021 is 12003211000002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20000011230021 - 2¹⁸ = 20000010967877 is a prime.

It is a super-2 number, since 2×20000011230021² (a number of 27 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 = 20000011229979 and 20000011230006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000011237021) 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 7 ways as a sum of consecutive naturals, for example, 4953435 + ... + 8033463.

It is an arithmetic number, because the mean of its divisors is an integer number (3333337827260).

Almost surely, 2^{20000011230021} is an apocalyptic number.

It is an amenable number.

20000011230021 is a deficient number, since it is larger than the sum of its proper divisors (6666691388059).

20000011230021 is a wasteful number, since it uses less digits than its factorization.

20000011230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244515.

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

Adding to 20000011230021 its reverse (12003211000002), we get a palindrome (32003222230023).

The spelling of 20000011230021 in words is "twenty trillion, eleven million, two hundred thirty thousand, twenty-one".