20202022224 has 60 divisors (see below), whose sum is σ = 58487188500. Its totient is φ = 6501798912.

The previous prime is 20202022189. The next prime is 20202022241. The reversal of 20202022224 is 42222020202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9075991824 + 11126030400 = 95268^2 + 105480^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20202022197 and 20202022206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2414649 + ... + 2423000.

It is an arithmetic number, because the mean of its divisors is an integer number (974786475).

Almost surely, 2^20202022224 is an apocalyptic number.

20202022224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20202022224 is an abundant number, since it is smaller than the sum of its proper divisors (38285166276).

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

20202022224 is a wasteful number, since it uses less digits than its factorization.

20202022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837692 (or 4837683 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20202022224 its reverse (42222020202), we get a palindrome (62424042426).

The spelling of 20202022224 in words is "twenty billion, two hundred two million, twenty-two thousand, two hundred twenty-four".