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20223223430 = 2579227112771
BaseRepresentation
bin10010110101011001…
…011110011010000110
31221012101120012020012
4102311121132122012
5312404121122210
613142421510222
71314102364034
oct226531363206
957171505205
1020223223430
1186385340a3
123b04872372
131ba3a035c7
14d9bbd1554
157d5661305
hex4b565e686

20223223430 has 32 divisors (see below), whose sum is σ = 37025303040. Its totient is φ = 7951638240.

The previous prime is 20223223429. The next prime is 20223223453. The reversal of 20223223430 is 3432232202.

It is a junction number, because it is equal to n+sod(n) for n = 20223223396 and 20223223405.

It is a congruent number.

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, 122945 + ... + 235715.

It is an arithmetic number, because the mean of its divisors is an integer number (1157040720).

Almost surely, 220223223430 is an apocalyptic number.

20223223430 is a deficient number, since it is larger than the sum of its proper divisors (16802079610).

20223223430 is a wasteful number, since it uses less digits than its factorization.

20223223430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113084.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20223223430 its reverse (3432232202), we get a palindrome (23655455632).

The spelling of 20223223430 in words is "twenty billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 79 158 227 395 454 790 1135 2270 17933 35866 89665 112771 179330 225542 563855 1127710 8908909 17817818 25599017 44544545 51198034 89089090 127995085 255990170 2022322343 4044644686 10111611715 20223223430