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11240020020 = 2235187333667
BaseRepresentation
bin10100111011111010…
…10001100000110100
31002000100002011210210
422131331101200310
5141004421120040
65055200345420
7545352410445
oct123575214064
932010064723
1011240020020
114848775449
122218315270
1310a1884628
14788b0d2cc
1545bba1480
hex29df51834

11240020020 has 24 divisors (see below), whose sum is σ = 31472056224. Its totient is φ = 2997338656.

The previous prime is 11240019977. The next prime is 11240020063. The reversal of 11240020020 is 2002004211.

11240020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11240019977) and next prime (11240020063).

It is a Harshad number since it is a multiple of its sum of digits (12).

11240020020 is a modest number, since divided by 20020 gives 11240 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11240019978 and 11240020005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93666774 + ... + 93666893.

It is an arithmetic number, because the mean of its divisors is an integer number (1311335676).

Almost surely, 211240020020 is an apocalyptic number.

11240020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11240020020 is an abundant number, since it is smaller than the sum of its proper divisors (20232036204).

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

11240020020 is a wasteful number, since it uses less digits than its factorization.

11240020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187333679 (or 187333677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11240020020 its reverse (2002004211), we get a palindrome (13242024231).

The spelling of 11240020020 in words is "eleven billion, two hundred forty million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 187333667 374667334 562001001 749334668 936668335 1124002002 1873336670 2248004004 2810005005 3746673340 5620010010 11240020020