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12200202220020 = 2235203336703667
BaseRepresentation
bin1011000110001001010010…
…1110000011000111110100
31121012022212001212122000020
42301202110232003013310
53044342003232020040
641540410122245140
72366302245551163
oct261422456030764
947168761778006
1012200202220020
113984093104991
1214505930567b0
136a6621892679
143026c889d3da
1516254dedbcd0
hexb1894b831f4

12200202220020 has 24 divisors (see below), whose sum is σ = 34160566216224. Its totient is φ = 3253387258656.

The previous prime is 12200202219977. The next prime is 12200202220051. The reversal of 12200202220020 is 2002220200221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent 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, 101668351774 + ... + 101668351893.

It is an arithmetic number, because the mean of its divisors is an integer number (1423356925676).

Almost surely, 212200202220020 is an apocalyptic number.

12200202220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200202220020 is an abundant number, since it is smaller than the sum of its proper divisors (21960363996204).

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

12200202220020 is a wasteful number, since it uses less digits than its factorization.

12200202220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203336703679 (or 203336703677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12200202220020 its reverse (2002220200221), we get a palindrome (14202422420241).

The spelling of 12200202220020 in words is "twelve trillion, two hundred billion, two hundred two million, two hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 203336703667 406673407334 610010111001 813346814668 1016683518335 1220020222002 2033367036670 2440040444004 3050050555005 4066734073340 6100101110010 12200202220020