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11322020 = 225566101
BaseRepresentation
bin101011001100…
…001010100100
3210022012220002
4223030022210
510344301040
61042400432
7165143543
oct53141244
923265802
1011322020
116433446
123960118
132465528
14170a15a
15ed9a15
hexacc2a4

11322020 has 12 divisors (see below), whose sum is σ = 23776284. Its totient is φ = 4528800.

The previous prime is 11322007. The next prime is 11322023. The reversal of 11322020 is 2022311.

Adding to 11322020 its reverse (2022311), we get a palindrome (13344331).

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5484964 + 5837056 = 2342^2 + 2416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11321992 and 11322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283031 + ... + 283070.

It is an arithmetic number, because the mean of its divisors is an integer number (1981357).

Almost surely, 211322020 is an apocalyptic number.

11322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11322020 is an abundant number, since it is smaller than the sum of its proper divisors (12454264).

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

11322020 is a wasteful number, since it uses less digits than its factorization.

11322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566110 (or 566108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 11322020 is about 3364.8209462020. The cubic root of 11322020 is about 224.5473698948.

The spelling of 11322020 in words is "eleven million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 566101 1132202 2264404 2830505 5661010 11322020