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20413020044 = 2219268592369
BaseRepresentation
bin10011000000101101…
…011111011110001100
31221200121200212020102
4103000231133132030
5313301213120134
613213321510232
71321565543654
oct230055373614
957617625212
1020413020044
1187256880aa
123b58342378
131c041275b1
14db90b9364
157e715237e
hex4c0b5f78c

20413020044 has 12 divisors (see below), whose sum is σ = 37602931800. Its totient is φ = 9669325248.

The previous prime is 20413020041. The next prime is 20413020073. The reversal of 20413020044 is 44002031402.

It is a junction number, because it is equal to n+sod(n) for n = 20413019998 and 20413020025.

It is not an unprimeable number, because it can be changed into a prime (20413020041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134296109 + ... + 134296260.

It is an arithmetic number, because the mean of its divisors is an integer number (3133577650).

Almost surely, 220413020044 is an apocalyptic number.

It is an amenable number.

20413020044 is a deficient number, since it is larger than the sum of its proper divisors (17189911756).

20413020044 is a wasteful number, since it uses less digits than its factorization.

20413020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268592392 (or 268592390 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20413020044 its reverse (44002031402), we get a palindrome (64415051446).

The spelling of 20413020044 in words is "twenty billion, four hundred thirteen million, twenty thousand, forty-four".

Divisors: 1 2 4 19 38 76 268592369 537184738 1074369476 5103255011 10206510022 20413020044