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2020001109 = 37472046607
BaseRepresentation
bin111100001100110…
…1100010101010101
312012202222200120220
41320121230111111
513114110013414
6532235344553
7101025504030
oct17031542525
95182880526
102020001109
11947268805
124845b2159
1326265b139
141523c4017
15bc513ca9
hex7866c555

2020001109 has 16 divisors (see below), whose sum is σ = 3143589888. Its totient is φ = 1129726512.

The previous prime is 2020001089. The next prime is 2020001117. The reversal of 2020001109 is 9011000202.

It is a happy number.

It is not a de Polignac number, because 2020001109 - 212 = 2019997013 is a prime.

It is a super-2 number, since 2×20200011092 = 8160808960722459762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020001909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022317 + ... + 1024290.

It is an arithmetic number, because the mean of its divisors is an integer number (196474368).

Almost surely, 22020001109 is an apocalyptic number.

It is an amenable number.

2020001109 is a deficient number, since it is larger than the sum of its proper divisors (1123588779).

2020001109 is a wasteful number, since it uses less digits than its factorization.

2020001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046664.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2020001109 is about 44944.4224459498. The cubic root of 2020001109 is about 1264.1070961990.

The spelling of 2020001109 in words is "two billion, twenty million, one thousand, one hundred nine".

Divisors: 1 3 7 21 47 141 329 987 2046607 6139821 14326249 42978747 96190529 288571587 673333703 2020001109