20432022220 has 24 divisors (see below), whose sum is σ = 45431203104. Its totient is φ = 7692055296.

The previous prime is 20432022217. The next prime is 20432022257. The reversal of 20432022220 is 2222023402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30046752 + ... + 30047431.

It is an arithmetic number, because the mean of its divisors is an integer number (1892966796).

Almost surely, 2^20432022220 is an apocalyptic number.

20432022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20432022220 is an abundant number, since it is smaller than the sum of its proper divisors (24999180884).

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

20432022220 is a wasteful number, since it uses less digits than its factorization.

20432022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60094209 (or 60094207 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20432022220 its reverse (2222023402), we get a palindrome (22654045622).

The spelling of 20432022220 in words is "twenty billion, four hundred thirty-two million, twenty-two thousand, two hundred twenty".