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BaseRepresentation
bin100010100010111110100
32010111211200
410110113310
5242211040
640132500
712423231
oct4242764
92114750
101132020
1170355a
12467130
13308346
14216788
15175630
hex1145f4

1132020 has 72 divisors (see below), whose sum is σ = 3625440. Its totient is φ = 285120.

The previous prime is 1132009. The next prime is 1132063. The reversal of 1132020 is 202311.

1132020 = T56 + T57 + ... + T190.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1131993 and 1132011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3255 + ... + 3585.

21132020 is an apocalyptic number.

1132020 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 1132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812720).

1132020 is an abundant number, since it is smaller than the sum of its proper divisors (2493420).

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

1132020 is a wasteful number, since it uses less digits than its factorization.

1132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1132020 is about 1063.9642851149. The cubic root of 1132020 is about 104.2200714599.

Adding to 1132020 its reverse (202311), we get a palindrome (1334331).

The spelling of 1132020 in words is "one million, one hundred thirty-two thousand, twenty".