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2020012111000 = 235313318875651
BaseRepresentation
bin11101011001010010000…
…110101011010010011000
321011010000010011102101101
4131121102012223102120
5231043441100023000
64143551502001144
7265640532433012
oct35312206532230
97133003142341
102020012111000
117097561a1aa4
122875a9b761b4
131186425bc680
146daaa6091b2
1537829d3be6a
hex1d6521ab498

2020012111000 has 256 divisors, whose sum is σ = 5261492920320. Its totient is φ = 720849600000.

The previous prime is 2020012110973. The next prime is 2020012111079. The reversal of 2020012111000 is 1112100202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 357458175 + ... + 357463825.

It is an arithmetic number, because the mean of its divisors is an integer number (20552706720).

Almost surely, 22020012111000 is an apocalyptic number.

2020012111000 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 2020012111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2630746460160).

2020012111000 is an abundant number, since it is smaller than the sum of its proper divisors (3241480809320).

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

2020012111000 is a wasteful number, since it uses less digits than its factorization.

2020012111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6589 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2020012111000 its reverse (1112100202), we get a palindrome (2021124211202).

The spelling of 2020012111000 in words is "two trillion, twenty billion, twelve million, one hundred eleven thousand".