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20220941636208 = 243443734970557
BaseRepresentation
bin1001001100100000011100…
…00010110001001001110000
32122121002210012010112110000
410212100032002301021300
510122244442024324313
6111001212232110000
74154625532652565
oct446201602611160
978532705115400
1020220941636208
1164967204384a5
122326b54535300
13b38a990c1711
144dc9ad6dc86c
15250ed6a79673
hex12640e0b1270

20220941636208 has 200 divisors, whose sum is σ = 60706697316848. Its totient is φ = 6493375300608.

The previous prime is 20220941636191. The next prime is 20220941636219. The reversal of 20220941636208 is 80263614902202.

20220941636208 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 0 + 9 + 4 + 1 + 636 + 2 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1582866 + ... + 6553422.

Almost surely, 220220941636208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220941636208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30353348658424).

20220941636208 is an abundant number, since it is smaller than the sum of its proper divisors (40485755680640).

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

20220941636208 is a wasteful number, since it uses less digits than its factorization.

20220941636208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970693 (or 4970678 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20220941636208 in words is "twenty trillion, two hundred twenty billion, nine hundred forty-one million, six hundred thirty-six thousand, two hundred eight".