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20404002214 = 259181955333
BaseRepresentation
bin10011000000001011…
…000101110110100110
31221122222201201002201
4103000023011312212
5313241411032324
613212400325114
71321426104631
oct230013056646
957588651081
1020404002214
118720588952
123b5531379a
131c022baabb
14db7c0cc18
157e6470444
hex4c02c5da6

20404002214 has 16 divisors (see below), whose sum is σ = 31296741840. Its totient is φ = 9973666080.

The previous prime is 20404002209. The next prime is 20404002217. The reversal of 20404002214 is 41220040402.

It is a junction number, because it is equal to n+sod(n) for n = 20404002191 and 20404002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404002217) 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, 456309 + ... + 499024.

It is an arithmetic number, because the mean of its divisors is an integer number (1956046365).

Almost surely, 220404002214 is an apocalyptic number.

20404002214 is a deficient number, since it is larger than the sum of its proper divisors (10892739626).

20404002214 is a wasteful number, since it uses less digits than its factorization.

20404002214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955575.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20404002214 its reverse (41220040402), we get a palindrome (61624042616).

The spelling of 20404002214 in words is "twenty billion, four hundred four million, two thousand, two hundred fourteen".

Divisors: 1 2 59 118 181 362 10679 21358 955333 1910666 56364647 112729294 172915273 345830546 10202001107 20404002214