20021100020223 has 8 divisors (see below), whose sum is σ = 26849105230128. Its totient is φ = 13270247411904.

The previous prime is 20021100020221. The next prime is 20021100020237. The reversal of 20021100020223 is 32202000112002.

It is a happy number.

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

It is not a de Polignac number, because 20021100020223 - 2¹ = 20021100020221 is a prime.

It is a super-2 number, since 2×20021100020223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021100020221) 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, 19288149790 + ... + 19288150827.

It is an arithmetic number, because the mean of its divisors is an integer number (3356138153766).

Almost surely, 2^{20021100020223} is an apocalyptic number.

20021100020223 is a deficient number, since it is larger than the sum of its proper divisors (6828005209905).

20021100020223 is a wasteful number, since it uses less digits than its factorization.

20021100020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38576300793.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20021100020223 its reverse (32202000112002), we get a palindrome (52223100132225).

The spelling of 20021100020223 in words is "twenty trillion, twenty-one billion, one hundred million, twenty thousand, two hundred twenty-three".