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2000120101220 = 225199502542739
BaseRepresentation
bin11101000110110000011…
…100101011100101100100
321002012122210211121212102
4131012300130223211210
5230232221221214340
64130501551111232
7264334561230263
oct35066034534544
97065583747772
102000120101220
1170127872169a
12283778212518
131167c23c5397
146cb407d45da
1537063803215
hex1d1b072b964

2000120101220 has 24 divisors (see below), whose sum is σ = 4221359016000. Its totient is φ = 796027696992.

The previous prime is 2000120101211. The next prime is 2000120101261. The reversal of 2000120101220 is 221010210002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251267390 + ... + 251275349.

It is an arithmetic number, because the mean of its divisors is an integer number (175889959000).

Almost surely, 22000120101220 is an apocalyptic number.

2000120101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000120101220 is an abundant number, since it is smaller than the sum of its proper divisors (2221238914780).

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

2000120101220 is a wasteful number, since it uses less digits than its factorization.

2000120101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502542947 (or 502542945 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2000120101220 its reverse (221010210002), we get a palindrome (2221130311222).

The spelling of 2000120101220 in words is "two trillion, one hundred twenty million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 502542739 1005085478 2010170956 2512713695 5025427390 10050854780 100006005061 200012010122 400024020244 500030025305 1000060050610 2000120101220