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20000422044 = 2233185189093
BaseRepresentation
bin10010101000000111…
…100011100010011100
31220121212022201012000
4102220013203202130
5311430102001134
613104342242300
71305425532231
oct225007434234
956555281160
1020000422044
118533798119
123a62126390
131b697c4a75
14d7a395788
157c0d00e99
hex4a81e389c

20000422044 has 24 divisors (see below), whose sum is σ = 51852946320. Its totient is φ = 6666807312.

The previous prime is 20000422019. The next prime is 20000422049. The reversal of 20000422044 is 44022400002.

20000422044 is a `hidden beast` number, since 200 + 0 + 0 + 422 + 0 + 44 = 666.

It is a super-2 number, since 2×200004220442 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000422049) 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, 92594439 + ... + 92594654.

It is an arithmetic number, because the mean of its divisors is an integer number (2160539430).

Almost surely, 220000422044 is an apocalyptic number.

It is an amenable number.

20000422044 is an abundant number, since it is smaller than the sum of its proper divisors (31852524276).

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

20000422044 is a wasteful number, since it uses less digits than its factorization.

20000422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185189106 (or 185189098 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20000422044 its reverse (44022400002), we get a palindrome (64022822046).

The spelling of 20000422044 in words is "twenty billion, four hundred twenty-two thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 185189093 370378186 555567279 740756372 1111134558 1666701837 2222269116 3333403674 5000105511 6666807348 10000211022 20000422044