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2204420020 = 2251140924499
BaseRepresentation
bin1000001101100100…
…1100011110110100
312200122000010202221
42003121030132310
514003312420040
61002424212124
7105425155345
oct20331143664
95618003687
102204420020
11a31379430
1251630a044
1329191b45a
1416caac0cc
15cd7e174a
hex8364c7b4

2204420020 has 48 divisors (see below), whose sum is σ = 5062680000. Its totient is φ = 799614720.

The previous prime is 2204419993. The next prime is 2204420021. The reversal of 2204420020 is 200244022.

It is a junction number, because it is equal to n+sod(n) for n = 2204419976 and 2204420003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204420021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77731 + ... + 102229.

It is an arithmetic number, because the mean of its divisors is an integer number (105472500).

Almost surely, 22204420020 is an apocalyptic number.

2204420020 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 2204420020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531340000).

2204420020 is an abundant number, since it is smaller than the sum of its proper divisors (2858259980).

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

2204420020 is a wasteful number, since it uses less digits than its factorization.

2204420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24928 (or 24926 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2204420020 is about 46951.2515275152. The cubic root of 2204420020 is about 1301.4618702808.

Adding to 2204420020 its reverse (200244022), we get a palindrome (2404664042).

It can be divided in two parts, 2204 and 420020, that added together give a palindrome (422224).

The spelling of 2204420020 in words is "two billion, two hundred four million, four hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 409 818 1636 2045 4090 4499 8180 8998 17996 22495 24499 44990 48998 89980 97996 122495 244990 269489 489980 538978 1077956 1347445 2694890 5389780 10020091 20040182 40080364 50100455 100200910 110221001 200401820 220442002 440884004 551105005 1102210010 2204420020