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20002200131200 = 27527941948943
BaseRepresentation
bin1001000110001001000000…
…00010001001011010000000
32121211012011201101202021111
410203010200002021122000
510110204001213144300
6110312514530333104
74133053110565360
oct443044002113200
977735151352244
1020002200131200
116411981577191
1222b068842a194
13b21279060011
144d217c5309a0
1524a4830cb9ba
hex123120089680

20002200131200 has 192 divisors, whose sum is σ = 56530567883520. Its totient is φ = 6850602086400.

The previous prime is 20002200131197. The next prime is 20002200131219. The reversal of 20002200131200 is 213100220002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20603929 + ... + 21552871.

It is an arithmetic number, because the mean of its divisors is an integer number (294430041060).

Almost surely, 220002200131200 is an apocalyptic number.

20002200131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002200131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28265283941760).

20002200131200 is an abundant number, since it is smaller than the sum of its proper divisors (36528367752320).

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

20002200131200 is an equidigital number, since it uses as much as digits as its factorization.

20002200131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949915 (or 949898 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20002200131200 its reverse (213100220002), we get a palindrome (20215300351202).

The spelling of 20002200131200 in words is "twenty trillion, two billion, two hundred million, one hundred thirty-one thousand, two hundred".