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20040141121 = 7112132997647
BaseRepresentation
bin10010101010011111…
…000100100101000001
31220201122001122111221
4102222133010211001
5312020234003441
613112321435041
71306420250260
oct225237044501
956648048457
1020040141121
118554156700
123a7349ba81
131b74ac0790
14d817745d7
157c45498d1
hex4aa7c4941

20040141121 has 96 divisors (see below), whose sum is σ = 28378667520. Its totient is φ = 13752668160.

The previous prime is 20040141101. The next prime is 20040141137. The reversal of 20040141121 is 12114104002.

It is a happy number.

It is not a de Polignac number, because 20040141121 - 219 = 20039616833 is a prime.

It is a super-2 number, since 2×200401411212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20040141095 and 20040141104.

It is not an unprimeable number, because it can be changed into a prime (20040141101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30973620 + ... + 30974266.

It is an arithmetic number, because the mean of its divisors is an integer number (295611120).

Almost surely, 220040141121 is an apocalyptic number.

It is an amenable number.

20040141121 is a deficient number, since it is larger than the sum of its proper divisors (8338526399).

20040141121 is a wasteful number, since it uses less digits than its factorization.

20040141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20040141121 its reverse (12114104002), we get a palindrome (32154245123).

It can be divided in two parts, 20040 and 141121, that added together give a palindrome (161161).

The spelling of 20040141121 in words is "twenty billion, forty million, one hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 7 11 13 29 77 91 97 121 143 203 319 377 647 679 847 1001 1067 1261 1573 2233 2639 2813 3509 4147 4529 7117 7469 8411 8827 11011 11737 13871 18763 19691 24563 29029 30943 36569 45617 49819 58877 62759 78287 82159 92521 97097 131341 152581 206393 216601 243919 255983 319319 340373 402259 439313 548009 647647 690349 815867 1017731 1068067 1444751 1707433 1820011 2270323 2382611 2683109 2815813 4424849 4832443 5711069 7124117 7593839 8974537 12740077 15892261 18781763 20020121 23660143 29514199 30973943 53156873 62821759 98719907 140140847 165621001 206599393 220221331 260261573 691039349 1541549317 1821831011 2862877303 20040141121