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2200220020 = 2252319312477
BaseRepresentation
bin1000001100100100…
…1011000101110100
312200100002202110101
42003021023011310
514001224020040
61002154203444
7105344363425
oct20311130564
95610082411
102200220020
11a29a6a959
12514a23584
13290aaa84b
1416c2d764c
15cd26209a
hex8324b174

2200220020 has 48 divisors (see below), whose sum is σ = 4825795968. Its totient is φ = 841047680.

The previous prime is 2200220017. The next prime is 2200220027. The reversal of 2200220020 is 200220022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2200219979 and 2200220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887022 + ... + 889498.

It is an arithmetic number, because the mean of its divisors is an integer number (100537416).

Almost surely, 22200220020 is an apocalyptic number.

2200220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200220020 is an abundant number, since it is smaller than the sum of its proper divisors (2625575948).

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

2200220020 is a wasteful number, since it uses less digits than its factorization.

2200220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2200220020 is about 46906.5029606770. The cubic root of 2200220020 is about 1300.6348023955.

Adding to 2200220020 its reverse (200220022), we get a palindrome (2400440042).

The spelling of 2200220020 in words is "two billion, two hundred million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1931 2477 3862 4954 7724 9655 9908 12385 19310 24770 38620 44413 49540 56971 88826 113942 177652 222065 227884 284855 444130 569710 888260 1139420 4783087 9566174 19132348 23915435 47830870 95661740 110011001 220022002 440044004 550055005 1100110010 2200220020