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11932020 = 22325151439
BaseRepresentation
bin101101100001…
…000101110100
3211110012122200
4231201011310
511023311040
61103424500
7203264142
oct55410564
924405580
1011932020
11680a781
123bb5130
13261a089
141828592
1510aa630
hexb61174

11932020 has 72 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 3153600.

The previous prime is 11932013. The next prime is 11932043. The reversal of 11932020 is 2023911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11931984 and 11932002.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26961 + ... + 27399.

Almost surely, 211932020 is an apocalyptic number.

11932020 is a gapful number since it is divisible by the number (10) 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 11932020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18258240).

11932020 is an abundant number, since it is smaller than the sum of its proper divisors (24584460).

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

11932020 is a wasteful number, since it uses less digits than its factorization.

11932020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11932020 is about 3454.2756114705. The cubic root of 11932020 is about 228.5097091543.

Adding to 11932020 its reverse (2023911), we get a palindrome (13955931).

The spelling of 11932020 in words is "eleven million, nine hundred thirty-two thousand, twenty".