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11120210020 = 225896247309
BaseRepresentation
bin10100101101101000…
…01111000001100100
31001200222122012101101
422112310033001210
5140233233210040
65035240405444
7542366140243
oct122664170144
931628565341
1011120210020
114797083417
1221a4176884
131082ac603a
14776c4295a
154513d709a
hex296d0f064

11120210020 has 24 divisors (see below), whose sum is σ = 23614831800. Its totient is φ = 4398104832.

The previous prime is 11120209979. The next prime is 11120210021. The reversal of 11120210020 is 2001202111.

It can be written as a sum of positive squares in 4 ways, for example, as 316270656 + 10803939364 = 17784^2 + 103942^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11120209979 and 11120210006.

It is not an unprimeable number, because it can be changed into a prime (11120210021) 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, 3121875 + ... + 3125434.

It is an arithmetic number, because the mean of its divisors is an integer number (983951325).

Almost surely, 211120210020 is an apocalyptic number.

11120210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120210020 is an abundant number, since it is smaller than the sum of its proper divisors (12494621780).

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

11120210020 is a wasteful number, since it uses less digits than its factorization.

11120210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247407 (or 6247405 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11120210020 its reverse (2001202111), we get a palindrome (13121412131).

The spelling of 11120210020 in words is "eleven billion, one hundred twenty million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 6247309 12494618 24989236 31236545 62473090 124946180 556010501 1112021002 2224042004 2780052505 5560105010 11120210020