Search a number
-
+
1132220020 = 22588763823
BaseRepresentation
bin100001101111100…
…0100111001110100
32220220110201212211
41003133010321310
54304322020040
6304203223204
740025466001
oct10337047164
92826421784
101132220020
11531121728
12277217b04
13150752299
14aa5288a8
15695ec8ea
hex437c4e74

1132220020 has 24 divisors (see below), whose sum is σ = 2380379904. Its totient is φ = 452370336.

The previous prime is 1132219967. The next prime is 1132220039. The reversal of 1132220020 is 200222311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14172 + ... + 49651.

It is an arithmetic number, because the mean of its divisors is an integer number (99182496).

Almost surely, 21132220020 is an apocalyptic number.

1132220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132220020 is an abundant number, since it is smaller than the sum of its proper divisors (1248159884).

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

1132220020 is a wasteful number, since it uses less digits than its factorization.

1132220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64719 (or 64717 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1132220020 is about 33648.4772315182. The cubic root of 1132220020 is about 1042.2620941710.

Adding to 1132220020 its reverse (200222311), we get a palindrome (1332442331).

The spelling of 1132220020 in words is "one billion, one hundred thirty-two million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 887 1774 3548 4435 8870 17740 63823 127646 255292 319115 638230 1276460 56611001 113222002 226444004 283055005 566110010 1132220020