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20032302210 = 2351951342257
BaseRepresentation
bin10010101010000001…
…001010110010000010
31220201002022101112220
4102222001022302002
5312011232132320
613111441431510
71306263521304
oct225201126202
956632271486
1020032302210
11854a792168
123a7093b596
131b732a777b
14d806d3974
157c39ebe40
hex4aa04ac82

20032302210 has 32 divisors (see below), whose sum is σ = 48102308352. Its totient is φ = 5339193600.

The previous prime is 20032302197. The next prime is 20032302233. The reversal of 20032302210 is 1220323002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20032302210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112599 + ... + 229658.

It is an arithmetic number, because the mean of its divisors is an integer number (1503197136).

Almost surely, 220032302210 is an apocalyptic number.

20032302210 is an abundant number, since it is smaller than the sum of its proper divisors (28070006142).

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

20032302210 is a wasteful number, since it uses less digits than its factorization.

20032302210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344218.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20032302210 its reverse (1220323002), we get a palindrome (21252625212).

The spelling of 20032302210 in words is "twenty billion, thirty-two million, three hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1951 3902 5853 9755 11706 19510 29265 58530 342257 684514 1026771 1711285 2053542 3422570 5133855 10267710 667743407 1335486814 2003230221 3338717035 4006460442 6677434070 10016151105 20032302210