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2020131010012 = 222331708320831
BaseRepresentation
bin11101011001011001001…
…100001111010111011100
321011010022101220010011111
4131121121030033113130
5231044212014310022
64144011350231404
7265643505160243
oct35313114172734
97133271803144
102020131010012
11709807321645
12287621955564
1311866111c40b
146dabc31995a
15378354c6477
hex1d65930f5dc

2020131010012 has 24 divisors (see below), whose sum is σ = 3807932792832. Its totient is φ = 934983495600.

The previous prime is 2020131009991. The next prime is 2020131010013. The reversal of 2020131010012 is 2100101310202.

It is a super-2 number, since 2×20201310100122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020131009974 and 2020131010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020131010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354157564 + ... + 354163267.

It is an arithmetic number, because the mean of its divisors is an integer number (158663866368).

Almost surely, 22020131010012 is an apocalyptic number.

It is an amenable number.

2020131010012 is a deficient number, since it is larger than the sum of its proper divisors (1787801782820).

2020131010012 is a wasteful number, since it uses less digits than its factorization.

2020131010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708320889 (or 708320887 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2020131010012 its reverse (2100101310202), we get a palindrome (4120232320214).

The spelling of 2020131010012 in words is "two trillion, twenty billion, one hundred thirty-one million, ten thousand, twelve".

Divisors: 1 2 4 23 31 46 62 92 124 713 1426 2852 708320831 1416641662 2833283324 16291379113 21957945761 32582758226 43915891522 65165516452 87831783044 505032752503 1010065505006 2020131010012