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20475252331435 = 511769948353983
BaseRepresentation
bin1001010011111010001000…
…01001000101001110101011
32200111102012112120101202001
410221331010021011032223
510140431304044101220
6111314111232551431
74212200561132116
oct451750411051653
980442175511661
1020475252331435
116584562174890
1223682a86b2577
13b56a67275c35
1450b01681d57d
1525791d03b80a
hex129f442453ab

20475252331435 has 16 divisors (see below), whose sum is σ = 26807448729600. Its totient is φ = 14889158137440.

The previous prime is 20475252331333. The next prime is 20475252331459. The reversal of 20475252331435 is 53413325257402.

It is not a de Polignac number, because 20475252331435 - 213 = 20475252323243 is a prime.

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, 23753547 + ... + 24600436.

It is an arithmetic number, because the mean of its divisors is an integer number (1675465545600).

Almost surely, 220475252331435 is an apocalyptic number.

20475252331435 is a deficient number, since it is larger than the sum of its proper divisors (6332196398165).

20475252331435 is a wasteful number, since it uses less digits than its factorization.

20475252331435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48361698.

The product of its (nonzero) digits is 3024000, while the sum is 46.

Adding to 20475252331435 its reverse (53413325257402), we get a palindrome (73888577588837).

The spelling of 20475252331435 in words is "twenty trillion, four hundred seventy-five billion, two hundred fifty-two million, three hundred thirty-one thousand, four hundred thirty-five".

Divisors: 1 5 11 55 7699 38495 84689 423445 48353983 241769915 531893813 2659469065 372277315117 1861386575585 4095050466287 20475252331435