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20220110020 = 22511376733691
BaseRepresentation
bin10010110101001101…
…100110010011000100
31221012011201000102201
4102311031212103010
5312402322010040
613142231044244
71314034046035
oct226515462304
957164630381
1020220110020
1186367a7a30
123b03810684
131ba3183456
14d9b620a8c
157d5248a9a
hex4b53664c4

20220110020 has 96 divisors (see below), whose sum is σ = 47657990016. Its totient is φ = 7141478400.

The previous prime is 20220109981. The next prime is 20220110021. The reversal of 20220110020 is 2001102202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20220109979 and 20220110006.

It is not an unprimeable number, because it can be changed into a prime (20220110021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5476375 + ... + 5480065.

It is an arithmetic number, because the mean of its divisors is an integer number (496437396).

Almost surely, 220220110020 is an apocalyptic number.

20220110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23828995008).

20220110020 is an abundant number, since it is smaller than the sum of its proper divisors (27437879996).

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

20220110020 is a wasteful number, since it uses less digits than its factorization.

20220110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4419 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20220110020 its reverse (2001102202), we get a palindrome (22221212222).

The spelling of 20220110020 in words is "twenty billion, two hundred twenty million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 37 44 55 74 110 148 185 220 370 407 673 740 814 1346 1628 2035 2692 3365 3691 4070 6730 7382 7403 8140 13460 14764 14806 18455 24901 29612 36910 37015 40601 49802 73820 74030 81202 99604 124505 136567 148060 162404 203005 249010 273134 273911 406010 498020 546268 547822 682835 812020 1095644 1365670 1369555 1502237 2484043 2731340 2739110 3004474 4968086 5478220 6008948 7511185 9936172 12420215 15022370 24840430 27324473 30044740 49680860 54648946 91909591 109297892 136622365 183819182 273244730 367638364 459547955 546489460 919095910 1011005501 1838191820 2022011002 4044022004 5055027505 10110055010 20220110020