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2020021111122 = 237277173630833
BaseRepresentation
bin11101011001010010101…
…001000000100101010010
321011010000202002200020020
4131121102221000211102
5231044000401023442
64143552422524310
7265641002066310
oct35312251004522
97133022080206
102020021111122
11709760289a13
122875b0b96696
131186444210a1
146daab8ad0b0
153782aa189ec
hex1d652a40952

2020021111122 has 32 divisors (see below), whose sum is σ = 4633859697792. Its totient is φ = 575065315584.

The previous prime is 2020021110983. The next prime is 2020021111127. The reversal of 2020021111122 is 2211111200202.

It is not an unprimeable number, because it can be changed into a prime (2020021111127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86803783 + ... + 86827050.

It is an arithmetic number, because the mean of its divisors is an integer number (144808115556).

Almost surely, 22020021111122 is an apocalyptic number.

2020021111122 is an abundant number, since it is smaller than the sum of its proper divisors (2613838586670).

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

2020021111122 is a wasteful number, since it uses less digits than its factorization.

2020021111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173631122.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2020021111122 its reverse (2211111200202), we get a palindrome (4231132311324).

The spelling of 2020021111122 in words is "two trillion, twenty billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 277 554 831 1662 1939 3878 5817 11634 173630833 347261666 520892499 1041784998 1215415831 2430831662 3646247493 7292494986 48095740741 96191481482 144287222223 288574444446 336670185187 673340370374 1010010555561 2020021111122