22020432 has 40 divisors (see below), whose sum is σ = 65013696. Its totient is φ = 6291456.

The previous prime is 22020431. The next prime is 22020443. The reversal of 22020432 is 23402022.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32433 + ... + 33104.

Almost surely, 2^22020432 is an apocalyptic number.

It is an amenable number.

22020432 is an abundant number, since it is smaller than the sum of its proper divisors (42993264).

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

22020432 is a wasteful number, since it uses less digits than its factorization.

22020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65555 (or 65549 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22020432 is about 4692.5933128708. The cubic root of 22020432 is about 280.2906505703.

Adding to 22020432 its reverse (23402022), we get a palindrome (45422454).

The spelling of 22020432 in words is "twenty-two million, twenty thousand, four hundred thirty-two".