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22020304031 = 116473094043
BaseRepresentation
bin10100100000100000…
…110010110010011111
32002211122002100100222
4110200200302302133
5330044144212111
614041015311555
71406453332055
oct244040626237
962748070328
1022020304031
11937a984380
12432667b5bb
1320cc1108cb
1410cc7481d5
1588d2de7db
hex520832c9f

22020304031 has 8 divisors (see below), whose sum is σ = 24059286144. Its totient is φ = 19987511320.

The previous prime is 22020303979. The next prime is 22020304039. The reversal of 22020304031 is 13040302022.

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

It is a cyclic number.

It is not a de Polignac number, because 22020304031 - 214 = 22020287647 is a prime.

It is a super-2 number, since 2×220203040312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020304039) 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, 1539905 + ... + 1554138.

It is an arithmetic number, because the mean of its divisors is an integer number (3007410768).

Almost surely, 222020304031 is an apocalyptic number.

22020304031 is a deficient number, since it is larger than the sum of its proper divisors (2038982113).

22020304031 is a wasteful number, since it uses less digits than its factorization.

22020304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094701.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22020304031 its reverse (13040302022), we get a palindrome (35060606053).

The spelling of 22020304031 in words is "twenty-two billion, twenty million, three hundred four thousand, thirty-one".

Divisors: 1 11 647 7117 3094043 34034473 2001845821 22020304031