20211202232 has 128 divisors (see below), whose sum is σ = 43860096000. Its totient is φ = 8662671360.

The previous prime is 20211202189. The next prime is 20211202241. The reversal of 20211202232 is 23220211202.

It is a self number, because there is not a number n which added to its sum of digits gives 20211202232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9025769 + ... + 9028007.

It is an arithmetic number, because the mean of its divisors is an integer number (342657000).

Almost surely, 2^20211202232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211202232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21930048000).

20211202232 is an abundant number, since it is smaller than the sum of its proper divisors (23648893768).

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

20211202232 is a wasteful number, since it uses less digits than its factorization.

20211202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20211202232 its reverse (23220211202), we get a palindrome (43431413434).

It can be divided in two parts, 20211202 and 232, that multiplied together give a palindrome (4688998864).

The spelling of 20211202232 in words is "twenty billion, two hundred eleven million, two hundred two thousand, two hundred thirty-two".