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22200030020 = 2257337470539
BaseRepresentation
bin10100101011001110…
…011001001101000100
32010022011021101002002
4110223032121031010
5330431201430040
614110515404432
71414065066410
oct245316311504
963264241062
1022200030020
11946237a153
1243768b3718
13212a419b4c
14110856dd40
1589de91a15
hex52b399344

22200030020 has 48 divisors (see below), whose sum is σ = 53438286720. Its totient is φ = 7588836864.

The previous prime is 22200029953. The next prime is 22200030037. The reversal of 22200030020 is 2003000222.

It is a junction number, because it is equal to n+sod(n) for n = 22200029983 and 22200030010.

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, 188090 + ... + 282449.

It is an arithmetic number, because the mean of its divisors is an integer number (1113297640).

Almost surely, 222200030020 is an apocalyptic number.

22200030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200030020 is an abundant number, since it is smaller than the sum of its proper divisors (31238256700).

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

22200030020 is a wasteful number, since it uses less digits than its factorization.

22200030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470892 (or 470890 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 22200030020 its reverse (2003000222), we get a palindrome (24203030242).

The spelling of 22200030020 in words is "twenty-two billion, two hundred million, thirty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 337 674 1348 1685 2359 3370 4718 6740 9436 11795 23590 47180 470539 941078 1882156 2352695 3293773 4705390 6587546 9410780 13175092 16468865 32937730 65875460 158571643 317143286 634286572 792858215 1110001501 1585716430 2220003002 3171432860 4440006004 5550007505 11100015010 22200030020