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20110332 = 22311732087
BaseRepresentation
bin100110010110…
…1101111111100
31101211201012010
41030231233330
520122012312
61555011220
7332635464
oct114555774
941751163
1020110332
1110396210
126899b10
134221708
142956ba4
151b7393c
hex132dbfc

20110332 has 48 divisors (see below), whose sum is σ = 51916032. Its totient is φ = 6007680.

The previous prime is 20110301. The next prime is 20110339. The reversal of 20110332 is 23301102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8593 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (1081584).

Almost surely, 220110332 is an apocalyptic number.

20110332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25958016).

20110332 is an abundant number, since it is smaller than the sum of its proper divisors (31805700).

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

20110332 is a wasteful number, since it uses less digits than its factorization.

20110332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20110332 is about 4484.4544818740. The cubic root of 20110332 is about 271.9399918082.

Adding to 20110332 its reverse (23301102), we get a palindrome (43411434).

The spelling of 20110332 in words is "twenty million, one hundred ten thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 73 132 146 219 292 438 803 876 1606 2087 2409 3212 4174 4818 6261 8348 9636 12522 22957 25044 45914 68871 91828 137742 152351 275484 304702 457053 609404 914106 1675861 1828212 3351722 5027583 6703444 10055166 20110332