20112004224450 has 120 divisors (see below), whose sum is σ = 57808527422580. Its totient is φ = 5178263126400.

The previous prime is 20112004224449. The next prime is 20112004224461. The reversal of 20112004224450 is 5442240021102.

It is a happy number.

20112004224450 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 200 + 4 + 2 + 2 + 4 + 450 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 9468156699369 + 10643847525081 = 3077037^2 + 3262491^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 85501981 + ... + 85736880.

Almost surely, 2^{20112004224450} is an apocalyptic number.

20112004224450 is an abundant number, since it is smaller than the sum of its proper divisors (37696523198130).

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

20112004224450 is a wasteful number, since it uses less digits than its factorization.

20112004224450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171238914 (or 171238900 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 20112004224450 its reverse (5442240021102), we get a palindrome (25554244245552).

The spelling of 20112004224450 in words is "twenty trillion, one hundred twelve billion, four million, two hundred twenty-four thousand, four hundred fifty".