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20001114231 = 3767136710399
BaseRepresentation
bin10010101000001010…
…001100100001110111
31220121220121212200120
4102220022030201313
5311430241123411
613104405143023
71305434444250
oct225012144167
956556555616
1020001114231
11853412017a
123a623baa73
131b699a7b47
14d7a4d5b27
157c0ddb106
hex4a828c877

20001114231 has 32 divisors (see below), whose sum is σ = 30958387200. Its totient is φ = 11249305056.

The previous prime is 20001114229. The next prime is 20001114233. The reversal of 20001114231 is 13241110002.

It is an interprime number because it is at equal distance from previous prime (20001114229) and next prime (20001114233).

It is not a de Polignac number, because 20001114231 - 21 = 20001114229 is a prime.

It is a super-2 number, since 2×200011142312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20001114231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001114233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918170 + ... + 1928568.

It is an arithmetic number, because the mean of its divisors is an integer number (967449600).

Almost surely, 220001114231 is an apocalyptic number.

20001114231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20001114231 is a deficient number, since it is larger than the sum of its proper divisors (10957272969).

20001114231 is a wasteful number, since it uses less digits than its factorization.

20001114231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20001114231 its reverse (13241110002), we get a palindrome (33242224233).

The spelling of 20001114231 in words is "twenty billion, one million, one hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 3 7 21 67 201 469 1367 1407 4101 9569 10399 28707 31197 72793 91589 218379 274767 641123 696733 1923369 2090199 4877131 14215433 14631393 42646299 99508031 298524093 952434011 2857302033 6667038077 20001114231