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2020010010000 = 24354738311113
BaseRepresentation
bin11101011001010001111…
…110101010010110010000
321011002222222012200100120
4131121101332222112100
5231043440030310000
64143551344550240
7265640505532443
oct35312176522620
97132888180316
102020010010000
11709754a97534
122875a9322380
13118642035288
146daaa21d65a
1537829a746a0
hex1d651faa590

2020010010000 has 400 divisors, whose sum is σ = 6690431326656. Its totient is φ = 524841984000.

The previous prime is 2020010009999. The next prime is 2020010010089. The reversal of 2020010010000 is 100100202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 181764444 + ... + 181775556.

Almost surely, 22020010010000 is an apocalyptic number.

2020010010000 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 2020010010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345215663328).

2020010010000 is an abundant number, since it is smaller than the sum of its proper divisors (4670421316656).

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

2020010010000 is a wasteful number, since it uses less digits than its factorization.

2020010010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300 (or 11279 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 2020010010000 its reverse (100100202), we get a palindrome (2020110110202).

The spelling of 2020010010000 in words is "two trillion, twenty billion, ten million, ten thousand".