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20422040044 = 2277959915413
BaseRepresentation
bin10011000001001111…
…111001100111101100
31221201020200010100111
4103001033321213230
5313311020240134
613214243105404
71322035322230
oct230117714754
957636603314
1020422040044
11872a788a4a
123b5b372264
131c05c65083
14dba3865c0
157e7d34c64
hex4c13f99ec

20422040044 has 48 divisors (see below), whose sum is σ = 41432832000. Its totient is φ = 8626527936.

The previous prime is 20422040027. The next prime is 20422040053. The reversal of 20422040044 is 44004022402.

It is a junction number, because it is equal to n+sod(n) for n = 20422039997 and 20422040024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317282 + ... + 1332694.

It is an arithmetic number, because the mean of its divisors is an integer number (863184000).

Almost surely, 220422040044 is an apocalyptic number.

It is an amenable number.

20422040044 is an abundant number, since it is smaller than the sum of its proper divisors (21010791956).

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

20422040044 is a wasteful number, since it uses less digits than its factorization.

20422040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16100 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20422040044 its reverse (44004022402), we get a palindrome (64426062446).

The spelling of 20422040044 in words is "twenty billion, four hundred twenty-two million, forty thousand, forty-four".

Divisors: 1 2 4 7 14 28 79 158 316 553 599 1106 1198 2212 2396 4193 8386 15413 16772 30826 47321 61652 94642 107891 189284 215782 331247 431564 662494 1217627 1324988 2435254 4870508 8523389 9232387 17046778 18464774 34093556 36929548 64626709 129253418 258506836 729358573 1458717146 2917434292 5105510011 10211020022 20422040044