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22020301331 = 717315969179
BaseRepresentation
bin10100100000100000…
…110010001000010011
32002211122002012122222
4110200200302020103
5330044144120311
614041015251255
71406453321150
oct244040621023
962748065588
1022020301331
11937a982346
124326679b2b
1320cc10c602
1410cc747227
1588d2ddadb
hex520832213

22020301331 has 16 divisors (see below), whose sum is σ = 27505981440. Its totient is φ = 17191232640.

The previous prime is 22020301301. The next prime is 22020301349. The reversal of 22020301331 is 13310302022.

It is a cyclic number.

It is not a de Polignac number, because 22020301331 - 26 = 22020301267 is a prime.

It is a super-2 number, since 2×220203013312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22020301301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980901 + ... + 2988278.

It is an arithmetic number, because the mean of its divisors is an integer number (1719123840).

Almost surely, 222020301331 is an apocalyptic number.

22020301331 is a deficient number, since it is larger than the sum of its proper divisors (5485680109).

22020301331 is a wasteful number, since it uses less digits than its factorization.

22020301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969234.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22020301331 its reverse (13310302022), we get a palindrome (35330603353).

The spelling of 22020301331 in words is "twenty-two billion, twenty million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 7 17 31 119 217 527 3689 5969179 41784253 101476043 185044549 710332301 1295311843 3145757333 22020301331