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22122300020 = 2251958216579
BaseRepresentation
bin10100100110100101…
…111000001001110100
32010002202000021120012
4110212211320021310
5330301302100040
614055101355352
71412132306342
oct244645701164
963082007505
1022122300020
119422509487
124354868b58
1321172a2a72
1410dc0d8992
1589723a865
hex526978274

22122300020 has 24 divisors (see below), whose sum is σ = 48901927200. Its totient is φ = 8383187232.

The previous prime is 22122300007. The next prime is 22122300043. The reversal of 22122300020 is 2000322122.

It is a junction number, because it is equal to n+sod(n) for n = 22122299968 and 22122300004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29107910 + ... + 29108669.

It is an arithmetic number, because the mean of its divisors is an integer number (2037580300).

Almost surely, 222122300020 is an apocalyptic number.

22122300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122300020 is an abundant number, since it is smaller than the sum of its proper divisors (26779627180).

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

22122300020 is a wasteful number, since it uses less digits than its factorization.

22122300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58216607 (or 58216605 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22122300020 its reverse (2000322122), we get a palindrome (24122622142).

The spelling of 22122300020 in words is "twenty-two billion, one hundred twenty-two million, three hundred thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 58216579 116433158 232866316 291082895 582165790 1106115001 1164331580 2212230002 4424460004 5530575005 11061150010 22122300020