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11120222020 = 2251733213937
BaseRepresentation
bin10100101101101000…
…10001111101000100
31001200222122210211211
422112310101331010
5140233234101040
65035240541204
7542366220235
oct122664217504
931628583754
1011120222020
114797091436
1221a4181804
131082acb63b
14776c4708c
154513da8ea
hex296d11f44

11120222020 has 24 divisors (see below), whose sum is σ = 23487458904. Its totient is φ = 4422375936.

The previous prime is 11120222011. The next prime is 11120222039. The reversal of 11120222020 is 2022202111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1727898624 + 9392323396 = 41568^2 + 96914^2 .

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, 1603509 + ... + 1610428.

It is an arithmetic number, because the mean of its divisors is an integer number (978644121).

Almost surely, 211120222020 is an apocalyptic number.

11120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120222020 is an abundant number, since it is smaller than the sum of its proper divisors (12367236884).

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

11120222020 is a wasteful number, since it uses less digits than its factorization.

11120222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214119 (or 3214117 counting only the distinct ones).

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

Adding to 11120222020 its reverse (2022202111), we get a palindrome (13142424131).

The spelling of 11120222020 in words is "eleven billion, one hundred twenty million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 3213937 6427874 12855748 16069685 32139370 64278740 556011101 1112022202 2224044404 2780055505 5560111010 11120222020