Search a number
-
+
22011102000020 = 2257157222157143
BaseRepresentation
bin1010000000100110110111…
…11010100111001110010100
32212221020111112200101120202
411000103123322213032110
510341112214103000040
6114451432145320032
74431151424664650
oct500233372471624
985836445611522
1022011102000020
117016946283851
122575a95636018
13c3883a936693
145614b336da60
1528285c850015
hex1404dbea7394

22011102000020 has 24 divisors (see below), whose sum is σ = 52826644800384. Its totient is φ = 7546663542816.

The previous prime is 22011101999947. The next prime is 22011102000031. The reversal of 22011102000020 is 2000020111022.

It is a happy number.

It is a super-2 number, since 2×220111020000202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011101999965 and 22011102000010.

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, 78611078432 + ... + 78611078711.

It is an arithmetic number, because the mean of its divisors is an integer number (2201110200016).

Almost surely, 222011102000020 is an apocalyptic number.

22011102000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011102000020 is an abundant number, since it is smaller than the sum of its proper divisors (30815542800364).

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

22011102000020 is a wasteful number, since it uses less digits than its factorization.

22011102000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157222157159 (or 157222157157 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011102000020 its reverse (2000020111022), we get a palindrome (24011122111042).

The spelling of 22011102000020 in words is "twenty-two trillion, eleven billion, one hundred two million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157222157143 314444314286 628888628572 786110785715 1100555100001 1572221571430 2201110200002 3144443142860 4402220400004 5502775500005 11005551000010 22011102000020