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20445411026 = 231332660401
BaseRepresentation
bin10011000010101001…
…000011011011010010
31221202212122111022102
4103002221003123102
5313333011123101
613220440040402
71322441061215
oct230251033322
957685574272
1020445411026
1187419a0a07
123b67163102
131c0aa58961
14dbd50b77c
157e9dee86b
hex4c2a436d2

20445411026 has 8 divisors (see below), whose sum is σ = 30766098684. Its totient is φ = 10190044800.

The previous prime is 20445411013. The next prime is 20445411043. The reversal of 20445411026 is 62011454402.

It can be written as a sum of positive squares in 2 ways, for example, as 12566185801 + 7879225225 = 112099^2 + 88765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20445411026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16329575 + ... + 16330826.

Almost surely, 220445411026 is an apocalyptic number.

20445411026 is a deficient number, since it is larger than the sum of its proper divisors (10320687658).

20445411026 is a wasteful number, since it uses less digits than its factorization.

20445411026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32660716.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20445411026 its reverse (62011454402), we get a palindrome (82456865428).

The spelling of 20445411026 in words is "twenty billion, four hundred forty-five million, four hundred eleven thousand, twenty-six".

Divisors: 1 2 313 626 32660401 65320802 10222705513 20445411026