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20205502170050 = 2522317570001887
BaseRepresentation
bin1001001100000011101011…
…10001111000001111000010
32122112121221012001101112002
410212001311301320033002
510122021332023420200
6110550140214504002
74153541115445661
oct446016561701702
978477835041462
1020205502170050
11649011824500a
122323b65965002
13b374a84c6522
144dbd46d9cdd8
152508d13a7bd5
hex126075c783c2

20205502170050 has 24 divisors (see below), whose sum is σ = 39216244214016. Its totient is φ = 7730800829840.

The previous prime is 20205502170013. The next prime is 20205502170083. The reversal of 20205502170050 is 5007120550202.

It is a junction number, because it is equal to n+sod(n) for n = 20205502169995 and 20205502170022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8784999794 + ... + 8785002093.

It is an arithmetic number, because the mean of its divisors is an integer number (1634010175584).

Almost surely, 220205502170050 is an apocalyptic number.

20205502170050 is a deficient number, since it is larger than the sum of its proper divisors (19010742043966).

20205502170050 is a wasteful number, since it uses less digits than its factorization.

20205502170050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17570001922 (or 17570001917 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 20205502170050 in words is "twenty trillion, two hundred five billion, five hundred two million, one hundred seventy thousand, fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 575 1150 17570001887 35140003774 87850009435 175700018870 404110043401 439250047175 808220086802 878500094350 2020550217005 4041100434010 10102751085025 20205502170050