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200201102121020 = 2257211133167687809
BaseRepresentation
bin101101100001010011110011…
…100100110101100000111100
3222020212001001000202021212212
4231201103303210311200330
5202220043324120333040
61545443041105515552
760112023641200400
oct5541236344654074
9866761030667785
10200201102121020
11588768a0a08370
121a554394042bb8
138792b62a22270
143761adc237100
151822a54167d65
hexb614f393583c

200201102121020 has 576 divisors, whose sum is σ = 601950534635520. Its totient is φ = 54910188748800.

The previous prime is 200201102121019. The next prime is 200201102121091. The reversal of 200201102121020 is 20121201102002.

200201102121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 200201102120986 and 200201102121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 290726876 + ... + 291414684.

It is an arithmetic number, because the mean of its divisors is an integer number (1045053011520).

Almost surely, 2200201102121020 is an apocalyptic number.

200201102121020 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 200201102121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300975267317760).

200201102121020 is an abundant number, since it is smaller than the sum of its proper divisors (401749432514500).

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

200201102121020 is a wasteful number, since it uses less digits than its factorization.

200201102121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687954 (or 687945 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200201102121020 its reverse (20121201102002), we get a palindrome (220322303223022).

The spelling of 200201102121020 in words is "two hundred trillion, two hundred one billion, one hundred two million, one hundred twenty-one thousand, twenty".