20200223232 has 400 divisors, whose sum is σ = 69516532800. Its totient is φ = 5720481792.

The previous prime is 20200223213. The next prime is 20200223237. The reversal of 20200223232 is 23232200202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20200223237) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43255063 + ... + 43255529.

It is an arithmetic number, because the mean of its divisors is an integer number (173791332).

Almost surely, 2^20200223232 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 20200223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34758266400).

20200223232 is an abundant number, since it is smaller than the sum of its proper divisors (49316309568).

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

20200223232 is an equidigital number, since it uses as much as digits as its factorization.

20200223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20200223232 its reverse (23232200202), we get a palindrome (43432423434).

The spelling of 20200223232 in words is "twenty billion, two hundred million, two hundred twenty-three thousand, two hundred thirty-two".