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22132323020 = 2251278713513
BaseRepresentation
bin10100100111001100…
…000111001011001100
32010010102212111112102
4110213030013023030
5330311333314040
614100100254232
71412313433043
oct244714071314
963112774472
1022132323020
119428134955
1243580a1378
1321193a1c32
1410dd58755a
1589806a515
hex5273072cc

22132323020 has 24 divisors (see below), whose sum is σ = 46843851264. Its totient is φ = 8783220096.

The previous prime is 22132322969. The next prime is 22132323029. The reversal of 22132323020 is 2032323122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22132322983 and 22132323001.

It is not an unprimeable number, because it can be changed into a prime (22132323029) 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, 4354217 + ... + 4359296.

It is an arithmetic number, because the mean of its divisors is an integer number (1951827136).

Almost surely, 222132323020 is an apocalyptic number.

22132323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132323020 is an abundant number, since it is smaller than the sum of its proper divisors (24711528244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22132323020 is a wasteful number, since it uses less digits than its factorization.

22132323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713649 (or 8713647 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22132323020 its reverse (2032323122), we get a palindrome (24164646142).

The spelling of 22132323020 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 8713513 17427026 34854052 43567565 87135130 174270260 1106616151 2213232302 4426464604 5533080755 11066161510 22132323020