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20003432330 = 2571716809607
BaseRepresentation
bin10010101000010011…
…000010011110001010
31220122001222122112002
4102220103002132022
5311431334313310
613104530551002
71305463240460
oct225023023612
956561878462
1020003432330
118535463862
123a63138462
131b6a309cbb
14d7a93a830
157c11e7da5
hex4a84c278a

20003432330 has 32 divisors (see below), whose sum is σ = 43570503936. Its totient is φ = 6454888704.

The previous prime is 20003432299. The next prime is 20003432369. The reversal of 20003432330 is 3323430002.

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, 8403614 + ... + 8405993.

It is an arithmetic number, because the mean of its divisors is an integer number (1361578248).

Almost surely, 220003432330 is an apocalyptic number.

20003432330 is an abundant number, since it is smaller than the sum of its proper divisors (23567071606).

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

20003432330 is a wasteful number, since it uses less digits than its factorization.

20003432330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16809638.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20003432330 its reverse (3323430002), we get a palindrome (23326862332).

The spelling of 20003432330 in words is "twenty billion, three million, four hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 16809607 33619214 84048035 117667249 168096070 235334498 285763319 571526638 588336245 1176672490 1428816595 2000343233 2857633190 4000686466 10001716165 20003432330