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20202122222011 = 317238192675557
BaseRepresentation
bin1001001011111101011000…
…10100011001100110111011
32122112022012122002020110101
410211332230110121212323
510121442421242101021
6110544420554500231
74153361264405032
oct445765424314673
978468178066411
1020202122222011
116489743365024
122323381a34677
13b3708a1a1682
144dbb06131719
152507847b1a91
hex125fac5199bb

20202122222011 has 8 divisors (see below), whose sum is σ = 20266709716080. Its totient is φ = 20137540127328.

The previous prime is 20202122221943. The next prime is 20202122222017. The reversal of 20202122222011 is 11022222120202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20202122222011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202122222011.

It is not an unprimeable number, because it can be changed into a prime (20202122222017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6212845 + ... + 8888401.

It is an arithmetic number, because the mean of its divisors is an integer number (2533338714510).

Almost surely, 220202122222011 is an apocalyptic number.

20202122222011 is a deficient number, since it is larger than the sum of its proper divisors (64587494069).

20202122222011 is a wasteful number, since it uses less digits than its factorization.

20202122222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699693.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20202122222011 its reverse (11022222120202), we get a palindrome (31224344342213).

The spelling of 20202122222011 in words is "twenty trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, eleven".

Divisors: 1 317 23819 2675557 7550623 848151569 63729092183 20202122222011