220001432 has 64 divisors (see below), whose sum is σ = 482207040. Its totient is φ = 92160000.

The previous prime is 220001423. The next prime is 220001447. The reversal of 220001432 is 234100022.

220001432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548432 + ... + 548832.

It is an arithmetic number, because the mean of its divisors is an integer number (7534485).

Almost surely, 2^220001432 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 220001432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241103520).

220001432 is an abundant number, since it is smaller than the sum of its proper divisors (262205608).

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

220001432 is a wasteful number, since it uses less digits than its factorization.

220001432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220001432 is about 14832.4452468229. The cubic root of 220001432 is about 603.6823834819.

Adding to 220001432 its reverse (234100022), we get a palindrome (454101454).

It can be divided in two parts, 22000 and 1432, that added together give a palindrome (23432).

The spelling of 220001432 in words is "two hundred twenty million, one thousand, four hundred thirty-two".