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20010222120200 = 23521323615485559
BaseRepresentation
bin1001000110010111111100…
…01011100110110100001000
32121211221212210012000102012
410203023332023212310020
510110321413330321300
6110320322533355052
74133455646430404
oct443137613466410
977757783160365
1020010222120200
1164153187a3264
1222b2146a98a88
13b21c57001980
144d26ddac0104
1524a7a24bc435
hex1232fe2e6d08

20010222120200 has 192 divisors, whose sum is σ = 53137961452800. Its totient is φ = 6951299097600.

The previous prime is 20010222120169. The next prime is 20010222120241. The reversal of 20010222120200 is 202122201002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 905021 + ... + 6390579.

It is an arithmetic number, because the mean of its divisors is an integer number (276760215900).

Almost surely, 220010222120200 is an apocalyptic number.

20010222120200 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 20010222120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26568980726400).

20010222120200 is an abundant number, since it is smaller than the sum of its proper divisors (33127739332600).

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

20010222120200 is a wasteful number, since it uses less digits than its factorization.

20010222120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485672 (or 5485663 counting only the distinct ones).

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

Adding to 20010222120200 its reverse (202122201002), we get a palindrome (20212344321202).

The spelling of 20010222120200 in words is "twenty trillion, ten billion, two hundred twenty-two million, one hundred twenty thousand, two hundred".