Search a number
-
+
220112012020 = 22529911416579
BaseRepresentation
bin1100110011111110110…
…0101100001011110100
3210001010222120202100111
43030333230230023310
512101242133341040
6245041300152404
721621403142365
oct3147754541364
9701128522314
10220112012020
118539254653a
12367ab098704
13179aac84bc4
14a921203b6c
155ad3e68dea
hex333fb2c2f4

220112012020 has 48 divisors (see below), whose sum is σ = 478700409600. Its totient is φ = 84915259520.

The previous prime is 220112012011. The next prime is 220112012039. The reversal of 220112012020 is 20210211022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320091 + ... + 736669.

It is an arithmetic number, because the mean of its divisors is an integer number (9972925200).

Almost surely, 2220112012020 is an apocalyptic number.

220112012020 is a gapful number since it is divisible by the number (20) 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 220112012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239350204800).

220112012020 is an abundant number, since it is smaller than the sum of its proper divisors (258588397580).

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

220112012020 is a wasteful number, since it uses less digits than its factorization.

220112012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417528 (or 417526 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220112012020 its reverse (20210211022), we get a palindrome (240322223042).

The spelling of 220112012020 in words is "two hundred twenty billion, one hundred twelve million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 911 1822 3644 4555 9110 18220 26419 52838 105676 132095 264190 416579 528380 833158 1666316 2082895 4165790 8331580 12080791 24161582 48323164 60403955 120807910 241615820 379503469 759006938 1518013876 1897517345 3795034690 7590069380 11005600601 22011201202 44022402404 55028003005 110056006010 220112012020