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22211002112020 = 2254192650477579
BaseRepresentation
bin1010000110011011001101…
…11001000001100000010100
32220122100110221000020111121
411003031212321001200110
510402401113020041040
6115123332110413324
74451456223624211
oct503154671014024
986570427006447
1022211002112020
1170936a671a687
1225a8783801244
13c51647351017
1456b03808cb08
15287b5c142c4a
hex143366e41814

22211002112020 has 24 divisors (see below), whose sum is σ = 46754424511200. Its totient is φ = 8863197020832.

The previous prime is 22211002112009. The next prime is 22211002112027. The reversal of 22211002112020 is 2021120011222.

It is a happy number.

It is a super-2 number, since 2×222110021120202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22211002111985 and 22211002112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211002112027) 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, 1325230410 + ... + 1325247169.

It is an arithmetic number, because the mean of its divisors is an integer number (1948101021300).

Almost surely, 222211002112020 is an apocalyptic number.

22211002112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211002112020 is an abundant number, since it is smaller than the sum of its proper divisors (24543422399180).

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

22211002112020 is a wasteful number, since it uses less digits than its factorization.

22211002112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650478007 (or 2650478005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22211002112020 its reverse (2021120011222), we get a palindrome (24232122123242).

The spelling of 22211002112020 in words is "twenty-two trillion, two hundred eleven billion, two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 419 838 1676 2095 4190 8380 2650477579 5300955158 10601910316 13252387895 26504775790 53009551580 1110550105601 2221100211202 4442200422404 5552750528005 11105501056010 22211002112020