20104022224 has 120 divisors (see below), whose sum is σ = 47356283240. Its totient is φ = 8206894080.

The previous prime is 20104022221. The next prime is 20104022249. The reversal of 20104022224 is 42222040102.

It can be written as a sum of positive squares in 4 ways, for example, as 3221697600 + 16882324624 = 56760^2 + 129932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104022221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 920422 + ... + 942010.

Almost surely, 2^20104022224 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 20104022224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23678141620).

20104022224 is an abundant number, since it is smaller than the sum of its proper divisors (27252261016).

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

20104022224 is a wasteful number, since it uses less digits than its factorization.

20104022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21669 (or 21652 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20104022224 its reverse (42222040102), we get a palindrome (62326062326).

The spelling of 20104022224 in words is "twenty billion, one hundred four million, twenty-two thousand, two hundred twenty-four".