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20441322044 = 22111335736577
BaseRepresentation
bin10011000010011001…
…011101001000111100
31221202120221202021122
4103002121131020330
5313330434301134
613220212250112
71322361241043
oct230231351074
957676852248
1020441322044
11873a658890
123b65910938
131c09c56740
14dbcb6555a
157e989302e
hex4c265d23c

20441322044 has 24 divisors (see below), whose sum is σ = 42026215728. Its totient is φ = 8576778240.

The previous prime is 20441322029. The next prime is 20441322067. The reversal of 20441322044 is 44022314402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17867717 + ... + 17868860.

It is an arithmetic number, because the mean of its divisors is an integer number (1751092322).

Almost surely, 220441322044 is an apocalyptic number.

It is an amenable number.

20441322044 is an abundant number, since it is smaller than the sum of its proper divisors (21584893684).

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

20441322044 is a wasteful number, since it uses less digits than its factorization.

20441322044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35736605 (or 35736603 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20441322044 its reverse (44022314402), we get a palindrome (64463636446).

The spelling of 20441322044 in words is "twenty billion, four hundred forty-one million, three hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 35736577 71473154 142946308 393102347 464575501 786204694 929151002 1572409388 1858302004 5110330511 10220661022 20441322044