20200231232 has 56 divisors (see below), whose sum is σ = 42579950400. Its totient is φ = 9475266560.

The previous prime is 20200231231. The next prime is 20200231241. The reversal of 20200231232 is 23213200202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20200231232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308519 + ... + 368217.

Almost surely, 2^20200231232 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 20200231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21289975200).

20200231232 is an abundant number, since it is smaller than the sum of its proper divisors (22379719168).

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

20200231232 is a wasteful number, since it uses less digits than its factorization.

20200231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60039 (or 60029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20200231232 its reverse (23213200202), we get a palindrome (43413431434).

The spelling of 20200231232 in words is "twenty billion, two hundred million, two hundred thirty-one thousand, two hundred thirty-two".