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20214035430 = 2355961187219
BaseRepresentation
bin10010110100110110…
…011011001111100110
31221011202021101122220
4102310312123033212
5312344243113210
613141452533210
71313631315621
oct226466331746
957152241586
1020214035430
118633329006
123b01781206
131ba1b37514
14d9a8bcdb8
157d4948c70
hex4b4d9b3e6

20214035430 has 64 divisors (see below), whose sum is σ = 50145004800. Its totient is φ = 5212149120.

The previous prime is 20214035423. The next prime is 20214035447. The reversal of 20214035430 is 3453041202.

It is a self number, because there is not a number n which added to its sum of digits gives 20214035430.

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, 14361 + ... + 201579.

It is an arithmetic number, because the mean of its divisors is an integer number (783515700).

Almost surely, 220214035430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20214035430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25072502400).

20214035430 is an abundant number, since it is smaller than the sum of its proper divisors (29930969370).

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

20214035430 is a wasteful number, since it uses less digits than its factorization.

20214035430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187349.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20214035430 its reverse (3453041202), we get a palindrome (23667076632).

The spelling of 20214035430 in words is "twenty billion, two hundred fourteen million, thirty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 61 118 122 177 183 295 305 354 366 590 610 885 915 1770 1830 3599 7198 10797 17995 21594 35990 53985 107970 187219 374438 561657 936095 1123314 1872190 2808285 5616570 11045921 11420359 22091842 22840718 33137763 34261077 55229605 57101795 66275526 68522154 110459210 114203590 165688815 171305385 331377630 342610770 673801181 1347602362 2021403543 3369005905 4042807086 6738011810 10107017715 20214035430