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20525432521235 = 529829183193257
BaseRepresentation
bin1001010101010111100110…
…00111010100001000010011
32200200012201200110011022012
410222223303013110020103
510142242041211134420
6111353130432333135
74215625231533425
oct452536307241023
980605650404265
1020525432521235
1165a387261a124
122375b719a41ab
13b5b703455035
1450d617056815
15258da8625dc5
hex12aaf31d4213

20525432521235 has 32 divisors (see below), whose sum is σ = 25524789206400. Its totient is φ = 15826184801280.

The previous prime is 20525432521229. The next prime is 20525432521301. The reversal of 20525432521235 is 53212523452502.

It is not a de Polignac number, because 20525432521235 - 238 = 20250554614291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20525432521192 and 20525432521201.

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, 220048727 + ... + 220141983.

It is an arithmetic number, because the mean of its divisors is an integer number (797649662700).

Almost surely, 220525432521235 is an apocalyptic number.

20525432521235 is a deficient number, since it is larger than the sum of its proper divisors (4999356685165).

20525432521235 is a wasteful number, since it uses less digits than its factorization.

20525432521235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95951.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 20525432521235 its reverse (53212523452502), we get a palindrome (73737955973737).

The spelling of 20525432521235 in words is "twenty trillion, five hundred twenty-five billion, four hundred thirty-two million, five hundred twenty-one thousand, two hundred thirty-five".

Divisors: 1 5 29 145 829 1831 4145 9155 24041 53099 93257 120205 265495 466285 1517899 2704453 7589495 13522265 44019071 77310053 170753567 220095355 386550265 853767835 2241991537 4951853443 11209957685 24759267215 141554707043 707773535215 4105086504247 20525432521235