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20202221000101 = 7192359911025361
BaseRepresentation
bin1001001011111101100100…
…01101001101010110100101
32122112022110111221200112011
410211332302031031112211
510121443122034000401
6110544434443554221
74153363604120560
oct445766215152645
978468414850464
1020202221000101
1164897940a1508
1223233aab2b971
13b370a47a7c4a
144dbb152c54d7
1525078d2c4451
hex125fb234d5a5

20202221000101 has 32 divisors (see below), whose sum is σ = 25402434048000. Its totient is φ = 15665360705280.

The previous prime is 20202221000099. The next prime is 20202221000119. The reversal of 20202221000101 is 10100012220202.

It is a happy number.

It is not a de Polignac number, because 20202221000101 - 21 = 20202221000099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202221000141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3680340 + ... + 7345021.

It is an arithmetic number, because the mean of its divisors is an integer number (793826064000).

Almost surely, 220202221000101 is an apocalyptic number.

It is an amenable number.

20202221000101 is a deficient number, since it is larger than the sum of its proper divisors (5200213047899).

20202221000101 is a wasteful number, since it uses less digits than its factorization.

20202221000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026009.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20202221000101 its reverse (10100012220202), we get a palindrome (30302233220303).

The spelling of 20202221000101 in words is "twenty trillion, two hundred two billion, two hundred twenty-one million, one hundred one", and thus it is an aban number.

Divisors: 1 7 19 23 133 161 437 599 3059 4193 11381 13777 79667 96439 261763 1832341 11025361 77177527 209481859 253583303 1466373013 1775083121 4818082757 6604191239 33726579299 46229338673 125479633541 151896398497 878357434787 1063274789479 2886031571443 20202221000101