20000232 has 72 divisors (see below), whose sum is σ = 63022050. Its totient is φ = 5713344.

The previous prime is 20000221. The next prime is 20000243. The reversal of 20000232 is 23200002.

It is an interprime number because it is at equal distance from previous prime (20000221) and next prime (20000243).

It can be written as a sum of positive squares in only one way, i.e., 18714276 + 1285956 = 4326^2 + 1134^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 694 + ... + 6362.

Almost surely, 2^20000232 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 20000232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31511025).

20000232 is an abundant number, since it is smaller than the sum of its proper divisors (43021818).

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

20000232 is a wasteful number, since it uses less digits than its factorization.

20000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20000232 is about 4472.1618933129. The cubic root of 20000232 is about 271.4428112302.

Adding to 20000232 its reverse (23200002), we get a palindrome (43200234).

The spelling of 20000232 in words is "twenty million, two hundred thirty-two", and thus it is an aban number.