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220130001 = 33721312799
BaseRepresentation
bin11010001111011…
…10101011010001
3120100012202121000
431013232223101
5422323130001
633502052213
75312034300
oct1507565321
9510182530
10220130001
11103291a23
126187a069
13367b4950
1421342437
15144d3a86
hexd1eead1

220130001 has 48 divisors (see below), whose sum is σ = 408576000. Its totient is φ = 116103456.

The previous prime is 220129997. The next prime is 220130011. The reversal of 220130001 is 100031022.

It is a happy number.

It is not a de Polignac number, because 220130001 - 22 = 220129997 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (220130011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10800 + ... + 23598.

It is an arithmetic number, because the mean of its divisors is an integer number (8512000).

Almost surely, 2220130001 is an apocalyptic number.

220130001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220130001 is a deficient number, since it is larger than the sum of its proper divisors (188445999).

220130001 is a wasteful number, since it uses less digits than its factorization.

220130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835 (or 12822 counting only the distinct ones).

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

The square root of 220130001 is about 14836.7786598035. The cubic root of 220130001 is about 603.7999580589.

Adding to 220130001 its reverse (100031022), we get a palindrome (320161023).

The spelling of 220130001 in words is "two hundred twenty million, one hundred thirty thousand, one".

Divisors: 1 3 7 9 13 21 27 39 49 63 91 117 147 189 273 351 441 637 819 1323 1911 2457 5733 12799 17199 38397 89593 115191 166387 268779 345573 499161 627151 806337 1164709 1497483 1881453 2419011 3494127 4492449 5644359 8152963 10482381 16933077 24458889 31447143 73376667 220130001