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20002231110 = 2351746783983
BaseRepresentation
bin10010101000001110…
…011101001101000110
31220121222201121202110
4102220032131031012
5311431032343420
613104445121450
71305450105411
oct225016351506
956558647673
1020002231110
118534813314
123a62859286
131b69ca9314
14d7a706b78
157c105bee0
hex4a839d346

20002231110 has 64 divisors (see below), whose sum is σ = 50938647552. Its totient is φ = 5009358336.

The previous prime is 20002230979. The next prime is 20002231147. The reversal of 20002231110 is 1113220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196179 + ... + 280161.

It is an arithmetic number, because the mean of its divisors is an integer number (795916368).

Almost surely, 220002231110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002231110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25469323776).

20002231110 is an abundant number, since it is smaller than the sum of its proper divisors (30936416442).

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

20002231110 is a wasteful number, since it uses less digits than its factorization.

20002231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84477.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20002231110 its reverse (1113220002), we get a palindrome (21115451112).

It can be divided in two parts, 200022 and 31110, that added together give a palindrome (231132).

The spelling of 20002231110 in words is "twenty billion, two million, two hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 467 510 934 1401 2335 2802 4670 7005 7939 14010 15878 23817 39695 47634 79390 83983 119085 167966 238170 251949 419915 503898 839830 1259745 1427711 2519490 2855422 4283133 7138555 8566266 14277110 21415665 39220061 42831330 78440122 117660183 196100305 235320366 392200610 588300915 666741037 1176601830 1333482074 2000223111 3333705185 4000446222 6667410370 10001115555 20002231110