Search a number
-
+
11122022020 = 22519139920921
BaseRepresentation
bin10100101101110110…
…01001011010000100
31001201010001020222111
422112323021122010
5140234214201040
65035343310404
7542420425114
oct122673113204
931633036874
1011122022020
11479810083a
1221a48ab404
1310832aba25
14777195044
15451643dea
hex296ec9684

11122022020 has 48 divisors (see below), whose sum is σ = 24604272000. Its totient is φ = 4211447040.

The previous prime is 11122022011. The next prime is 11122022027. The reversal of 11122022020 is 2022022111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11122022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521160 + ... + 542080.

It is an arithmetic number, because the mean of its divisors is an integer number (512589000).

Almost surely, 211122022020 is an apocalyptic number.

11122022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122022020 is an abundant number, since it is smaller than the sum of its proper divisors (13482249980).

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

11122022020 is a wasteful number, since it uses less digits than its factorization.

11122022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348 (or 22346 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11122022020 its reverse (2022022111), we get a palindrome (13144044131).

Subtracting from 11122022020 its reverse (2022022111), we obtain a palindrome (9099999909).

The spelling of 11122022020 in words is "eleven billion, one hundred twenty-two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1399 2798 5596 6995 13990 20921 26581 27980 41842 53162 83684 104605 106324 132905 209210 265810 397499 418420 531620 794998 1589996 1987495 3974990 7949980 29268479 58536958 117073916 146342395 292684790 556101101 585369580 1112202202 2224404404 2780505505 5561011010 11122022020