20000440224 has 36 divisors (see below), whose sum is σ = 56876252706. Its totient is φ = 6666813312.

The previous prime is 20000440189. The next prime is 20000440247. The reversal of 20000440224 is 42204400002.

20000440224 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 0 + 440 + 224 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16986430224 + 3014010000 = 130332^2 + 54900^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 20000440197 and 20000440206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34722699 + ... + 34723274.

Almost surely, 2^20000440224 is an apocalyptic number.

20000440224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20000440224 is an abundant number, since it is smaller than the sum of its proper divisors (36875812482).

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

20000440224 is a wasteful number, since it uses less digits than its factorization.

20000440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69445989 (or 69445978 counting only the distinct ones).

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

Adding to 20000440224 its reverse (42204400002), we get a palindrome (62204840226).

The spelling of 20000440224 in words is "twenty billion, four hundred forty thousand, two hundred twenty-four".