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20425032230 = 258747233509
BaseRepresentation
bin10011000001011011…
…010100001000100110
31221201110022010212012
4103001123110020212
5313312302012410
613214431154222
71322102623631
oct230133241046
957643263765
1020425032230
118731442029
123b60375972
131c06771cb5
14dba924c18
157e8226605
hex4c16d4226

20425032230 has 16 divisors (see below), whose sum is σ = 36769418640. Its totient is φ = 8169043872.

The previous prime is 20425032223. The next prime is 20425032241. The reversal of 20425032230 is 3223052402.

It is a junction number, because it is equal to n+sod(n) for n = 20425032196 and 20425032205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29285 + ... + 204224.

It is an arithmetic number, because the mean of its divisors is an integer number (2298088665).

Almost surely, 220425032230 is an apocalyptic number.

20425032230 is a deficient number, since it is larger than the sum of its proper divisors (16344386410).

20425032230 is a wasteful number, since it uses less digits than its factorization.

20425032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242263.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20425032230 its reverse (3223052402), we get a palindrome (23648084632).

The spelling of 20425032230 in words is "twenty billion, four hundred twenty-five million, thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 8747 17494 43735 87470 233509 467018 1167545 2335090 2042503223 4085006446 10212516115 20425032230