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20220000012020 = 2254567974322721
BaseRepresentation
bin1001001100011110101011…
…11010110000011011110100
32122121000100120022001220002
410212033111322300123310
510122241030000341040
6111000534553530432
74154563310202554
oct446172572603364
978530316261802
1020220000012020
116496287966296
122326931113a18
13b38978cb3143
144dc920629164
15250e7e079a15
hex1263d5eb06f4

20220000012020 has 48 divisors (see below), whose sum is σ = 42477526199808. Its totient is φ = 8085043230720.

The previous prime is 20220000011989. The next prime is 20220000012073. The reversal of 20220000012020 is 2021000002202.

It is a junction number, because it is equal to n+sod(n) for n = 20220000011992 and 20220000012010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889914260 + ... + 889936980.

It is an arithmetic number, because the mean of its divisors is an integer number (884948462496).

Almost surely, 220220000012020 is an apocalyptic number.

20220000012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220000012020 is an abundant number, since it is smaller than the sum of its proper divisors (22257526187788).

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

20220000012020 is a wasteful number, since it uses less digits than its factorization.

20220000012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040 (or 37038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20220000012020 its reverse (2021000002202), we get a palindrome (22241000014222).

The spelling of 20220000012020 in words is "twenty trillion, two hundred twenty billion, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 4567 9134 9743 18268 19486 22721 22835 38972 45442 45670 48715 90884 91340 97430 113605 194860 227210 454420 44496281 88992562 103766807 177985124 207533614 221370703 222481405 415067228 442741406 444962810 518834035 885482812 889925620 1037668070 1106853515 2075336140 2213707030 4427414060 1011000000601 2022000001202 4044000002404 5055000003005 10110000006010 20220000012020