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20342212032 = 263257412253
BaseRepresentation
bin10010111100011111…
…011000010111000000
31221111200110102220110
4102330133120113000
5313130101241112
613202312111320
71320045643422
oct227437302700
957450412813
1020342212032
118699714a8a
123b38695540
131bc256506c
14dad926812
157e0d1713c
hex4bc7d85c0

20342212032 has 56 divisors (see below), whose sum is σ = 54031658256. Its totient is φ = 6754336768.

The previous prime is 20342212031. The next prime is 20342212123. The reversal of 20342212032 is 23021224302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156783 + ... + 255470.

Almost surely, 220342212032 is an apocalyptic number.

It is an amenable number.

20342212032 is an abundant number, since it is smaller than the sum of its proper divisors (33689446224).

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

20342212032 is a wasteful number, since it uses less digits than its factorization.

20342212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412525 (or 412515 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20342212032 its reverse (23021224302), we get a palindrome (43363436334).

The spelling of 20342212032 in words is "twenty billion, three hundred forty-two million, two hundred twelve thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 257 514 771 1028 1542 2056 3084 4112 6168 8224 12336 16448 24672 49344 412253 824506 1236759 1649012 2473518 3298024 4947036 6596048 9894072 13192096 19788144 26384192 39576288 79152576 105949021 211898042 317847063 423796084 635694126 847592168 1271388252 1695184336 2542776504 3390368672 5085553008 6780737344 10171106016 20342212032