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2020120111012 = 221134579779633
BaseRepresentation
bin11101011001011000100…
…010101010011110100100
321011010021122101101112211
4131121120202222132210
5231044201222023022
64144010320453204
7265643313424603
oct35313042523644
97133248341484
102020120111012
11709801158003
1228761a17a204
1311865baa45c3
146dabaabda3a
1537834571e77
hex1d6588aa7a4

2020120111012 has 24 divisors (see below), whose sum is σ = 3574299752856. Its totient is φ = 998930731008.

The previous prime is 2020120111003. The next prime is 2020120111013. The reversal of 2020120111012 is 2101110210202.

It can be written as a sum of positive squares in 4 ways, for example, as 14367378496 + 2005752732516 = 119864^2 + 1416246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020120110983 and 2020120111001.

It is not an unprimeable number, because it can be changed into a prime (2020120111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683253 + ... + 5096380.

It is an arithmetic number, because the mean of its divisors is an integer number (148929156369).

Almost surely, 22020120111012 is an apocalyptic number.

It is an amenable number.

2020120111012 is a deficient number, since it is larger than the sum of its proper divisors (1554179641844).

2020120111012 is a wasteful number, since it uses less digits than its factorization.

2020120111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780207 (or 9780205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2020120111012 its reverse (2101110210202), we get a palindrome (4121230321214).

The spelling of 2020120111012 in words is "two trillion, twenty billion, one hundred twenty million, one hundred eleven thousand, twelve".

Divisors: 1 2 4 113 226 452 457 914 1828 51641 103282 206564 9779633 19559266 39118532 1105098529 2210197058 4420394116 4469292281 8938584562 17877169124 505030027753 1010060055506 2020120111012