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20202122221010 = 252020212222101
BaseRepresentation
bin1001001011111101011000…
…10100011001010111010010
32122112022012122002012002022
410211332230110121113102
510121442421242033020
6110544420554451442
74153361264402102
oct445765424312722
978468178065068
1020202122221010
1164897433642a4
122323381a33b82
13b3708a1a1092
144dbb06131202
152507847b1625
hex125fac5195d2

20202122221010 has 8 divisors (see below), whose sum is σ = 36363819997836. Its totient is φ = 8080848888400.

The previous prime is 20202122220979. The next prime is 20202122221051. The reversal of 20202122221010 is 1012222120202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18440213758849 + 1761908462161 = 4294207^2 + 1327369^2 .

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 20202122221010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010106111041 + ... + 1010106111060.

Almost surely, 220202122221010 is an apocalyptic number.

20202122221010 is a deficient number, since it is larger than the sum of its proper divisors (16161697776826).

20202122221010 is a wasteful number, since it uses less digits than its factorization.

20202122221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020212222108.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20202122221010 its reverse (1012222120202), we get a palindrome (21214344341212).

The spelling of 20202122221010 in words is "twenty trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 2020212222101 4040424444202 10101061110505 20202122221010