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20444022224 = 246072105027
BaseRepresentation
bin10011000010100011…
…110000010111010000
31221202210000221020022
4103002203300113100
5313332132202344
613220350203012
71322423215223
oct230243602720
957683027208
1020444022224
11874113253a
123b667b3468
131c0a690792
14dbd2695ba
157e9c280ee
hex4c28f05d0

20444022224 has 20 divisors (see below), whose sum is σ = 39675567744. Its totient is φ = 10205166048.

The previous prime is 20444022191. The next prime is 20444022251. The reversal of 20444022224 is 42222044402.

It is a junction number, because it is equal to n+sod(n) for n = 20444022193 and 20444022202.

It is a congruent number.

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, 1042802 + ... + 1062225.

Almost surely, 220444022224 is an apocalyptic number.

It is an amenable number.

20444022224 is a deficient number, since it is larger than the sum of its proper divisors (19231545520).

20444022224 is a wasteful number, since it uses less digits than its factorization.

20444022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105642 (or 2105636 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20444022224 its reverse (42222044402), we get a palindrome (62666066626).

The spelling of 20444022224 in words is "twenty billion, four hundred forty-four million, twenty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 607 1214 2428 4856 9712 2105027 4210054 8420108 16840216 33680432 1277751389 2555502778 5111005556 10222011112 20444022224