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2011200222020 = 2251154709167099
BaseRepresentation
bin11101010001000100110…
…111111111001101000100
321010021021000001002011212
4131101010313333031010
5230422414224101040
64135533240350552
7265206262551413
oct35210467771504
97107230032155
102011200222020
11705a44103420
1228594aa75458
13117869ac3092
146d4b219d47a
15374b141bd65
hex1d444dff344

2011200222020 has 48 divisors (see below), whose sum is σ = 4607588664000. Its totient is φ = 731327790720.

The previous prime is 2011200222007. The next prime is 2011200222037. The reversal of 2011200222020 is 202220021102.

It is a junction number, because it is equal to n+sod(n) for n = 2011200221986 and 2011200222004.

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, 11952431 + ... + 12119529.

It is an arithmetic number, because the mean of its divisors is an integer number (95991430500).

Almost surely, 22011200222020 is an apocalyptic number.

2011200222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011200222020 is an abundant number, since it is smaller than the sum of its proper divisors (2596388441980).

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

2011200222020 is a wasteful number, since it uses less digits than its factorization.

2011200222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221828 (or 221826 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2011200222020 its reverse (202220021102), we get a palindrome (2213420243122).

The spelling of 2011200222020 in words is "two trillion, eleven billion, two hundred million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 54709 109418 167099 218836 273545 334198 547090 601799 668396 835495 1094180 1203598 1670990 1838089 2407196 3008995 3341980 3676178 6017990 7352356 9190445 12035980 18380890 36761780 9141819191 18283638382 36567276764 45709095955 91418191910 100560011101 182836383820 201120022202 402240044404 502800055505 1005600111010 2011200222020