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20040024224 = 2511556910223
BaseRepresentation
bin10010101010011110…
…101000000010100000
31220201121211201011102
4102222132220002200
5312020221233344
613112315133532
71306416252413
oct225236500240
956647751142
1020040024224
1185540868a0
123a734442a8
131b74a7c4cc
14d81743b7a
157c4524e4e
hex4aa7a80a0

20040024224 has 48 divisors (see below), whose sum is σ = 43052446080. Its totient is φ = 9106575360.

The previous prime is 20040024217. The next prime is 20040024229. The reversal of 20040024224 is 42242004002.

It is a junction number, because it is equal to n+sod(n) for n = 20040024196 and 20040024205.

It is not an unprimeable number, because it can be changed into a prime (20040024229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1955177 + ... + 1965399.

It is an arithmetic number, because the mean of its divisors is an integer number (896925960).

Almost surely, 220040024224 is an apocalyptic number.

It is an amenable number.

20040024224 is an abundant number, since it is smaller than the sum of its proper divisors (23012421856).

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

20040024224 is a wasteful number, since it uses less digits than its factorization.

20040024224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20040024224 its reverse (42242004002), we get a palindrome (62282028226).

The spelling of 20040024224 in words is "twenty billion, forty million, twenty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 5569 10223 11138 20446 22276 40892 44552 61259 81784 89104 112453 122518 163568 178208 224906 245036 327136 449812 490072 899624 980144 1799248 1960288 3598496 56931887 113863774 227727548 455455096 626250757 910910192 1252501514 1821820384 2505003028 5010006056 10020012112 20040024224