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20200112102020 = 2253132580825971
BaseRepresentation
bin1001001011111001101001…
…00000011001101010000100
32122112010000112200120012211
410211330310200121222010
510121424312144231040
6110543445310553204
74153260415563634
oct445746440315204
978463015616184
1020200112102020
116488901736134
122322b00808804
13b36b298c2c66
144db9951a06c4
152506b80a08ea
hex125f34819a84

20200112102020 has 24 divisors (see below), whose sum is σ = 43788630106368. Its totient is φ = 7819398232800.

The previous prime is 20200112101931. The next prime is 20200112102081. The reversal of 20200112102020 is 2020121100202.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 16290412366 + ... + 16290413605.

It is an arithmetic number, because the mean of its divisors is an integer number (1824526254432).

Almost surely, 220200112102020 is an apocalyptic number.

20200112102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200112102020 is an abundant number, since it is smaller than the sum of its proper divisors (23588518004348).

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

20200112102020 is a wasteful number, since it uses less digits than its factorization.

20200112102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32580826011 (or 32580826009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20200112102020 its reverse (2020121100202), we get a palindrome (22220233202222).

The spelling of 20200112102020 in words is "twenty trillion, two hundred billion, one hundred twelve million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 32580825971 65161651942 130323303884 162904129855 325808259710 651616519420 1010005605101 2020011210202 4040022420404 5050028025505 10100056051010 20200112102020