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20425101330 = 2351792137991
BaseRepresentation
bin10011000001011011…
…100101000000010010
31221201110102122122110
4103001123211000102
5313312311220310
613214432450150
71322103332244
oct230133450022
957643378573
1020425101330
118731489a37
123b603a9956
131c0679759a
14dba942094
157e823bd20
hex4c16e5012

20425101330 has 32 divisors (see below), whose sum is σ = 49024268928. Its totient is φ = 5446246400.

The previous prime is 20425101329. The next prime is 20425101343. The reversal of 20425101330 is 3310152402.

It is a junction number, because it is equal to n+sod(n) for n = 20425101297 and 20425101306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518635 + ... + 556625.

It is an arithmetic number, because the mean of its divisors is an integer number (1532008404).

Almost surely, 220425101330 is an apocalyptic number.

20425101330 is an abundant number, since it is smaller than the sum of its proper divisors (28599167598).

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

20425101330 is a wasteful number, since it uses less digits than its factorization.

20425101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55922.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20425101330 its reverse (3310152402), we get a palindrome (23735253732).

The spelling of 20425101330 in words is "twenty billion, four hundred twenty-five million, one hundred one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 17921 35842 37991 53763 75982 89605 107526 113973 179210 189955 227946 268815 379910 537630 569865 1139730 680836711 1361673422 2042510133 3404183555 4085020266 6808367110 10212550665 20425101330