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20422000547 = 1311491136709
BaseRepresentation
bin10011000001001111…
…101111111110100011
31221201020121010011122
4103001033233332203
5313311013004142
613214242202455
71322035066124
oct230117577643
957636533148
1020422000547
11872a761303
123b5b35342b
131c05c500c0
14dba37604b
157e7d281d2
hex4c13effa3

20422000547 has 8 divisors (see below), whose sum is σ = 21994998480. Its totient is φ = 18849299040.

The previous prime is 20422000519. The next prime is 20422000559. The reversal of 20422000547 is 74500022402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20422000547 - 222 = 20417806243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20422000507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81029 + ... + 217737.

It is an arithmetic number, because the mean of its divisors is an integer number (2749374810).

Almost surely, 220422000547 is an apocalyptic number.

20422000547 is a deficient number, since it is larger than the sum of its proper divisors (1572997933).

20422000547 is a wasteful number, since it uses less digits than its factorization.

20422000547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148213.

The product of its (nonzero) digits is 4480, while the sum is 26.

Adding to 20422000547 its reverse (74500022402), we get a palindrome (94922022949).

The spelling of 20422000547 in words is "twenty billion, four hundred twenty-two million, five hundred forty-seven", and thus it is an aban number.

Divisors: 1 13 11491 136709 149383 1777217 1570923119 20422000547