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11232020 = 2254331297
BaseRepresentation
bin101010110110…
…001100010100
3210010122102202
4222312030110
510333411040
61040424032
7164320262
oct52661424
923118382
1011232020
116381868
123918018
132433587
1416c5432
15ebd015
hexab6314

11232020 has 24 divisors (see below), whose sum is σ = 23659944. Its totient is φ = 4478976.

The previous prime is 11232017. The next prime is 11232029. The reversal of 11232020 is 2023211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2256004 + 8976016 = 1502^2 + 2996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11231992 and 11232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232029) 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 7 ways as a sum of consecutive naturals, for example, 8012 + ... + 9308.

It is an arithmetic number, because the mean of its divisors is an integer number (985831).

Almost surely, 211232020 is an apocalyptic number.

11232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11232020 is an abundant number, since it is smaller than the sum of its proper divisors (12427924).

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

11232020 is a wasteful number, since it uses less digits than its factorization.

11232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 1737 counting only the distinct ones).

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

The square root of 11232020 is about 3351.4205943152. The cubic root of 11232020 is about 223.9508023331.

Adding to 11232020 its reverse (2023211), we get a palindrome (13255231).

The spelling of 11232020 in words is "eleven million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 433 866 1297 1732 2165 2594 4330 5188 6485 8660 12970 25940 561601 1123202 2246404 2808005 5616010 11232020