20211203223030 has 128 divisors (see below), whose sum is σ = 50054904446976. Its totient is φ = 5220112752000.

The previous prime is 20211203223023. The next prime is 20211203223031. The reversal of 20211203223030 is 3032230211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211203222988 and 20211203223006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211203223031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210680775 + ... + 210776685.

It is an arithmetic number, because the mean of its divisors is an integer number (391053940992).

Almost surely, 2^{20211203223030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211203223030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25027452223488).

20211203223030 is an abundant number, since it is smaller than the sum of its proper divisors (29843701223946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211203223030 is a wasteful number, since it uses less digits than its factorization.

20211203223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97522.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20211203223030 its reverse (3032230211202), we get a palindrome (23243433434232).

The spelling of 20211203223030 in words is "twenty trillion, two hundred eleven billion, two hundred three million, two hundred twenty-three thousand, thirty".