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20508088320907 = 113299565132363
BaseRepresentation
bin1001010100110111010010…
…10100011100001110001011
32200121112221221021111022021
410222123221110130032023
510142001031102232112
6111341141414105311
74214442355341625
oct452335124341613
980545857244267
1020508088320907
116597482237770
12237273134b237
13b59b9b0594c5
1450c84d779c15
152586e0b0d907
hex12a6e951c38b

20508088320907 has 8 divisors (see below), whose sum is σ = 22379241614400. Its totient is φ = 18638065298760.

The previous prime is 20508088320901. The next prime is 20508088320913. The reversal of 20508088320907 is 70902388080502.

It is an interprime number because it is at equal distance from previous prime (20508088320901) and next prime (20508088320913).

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

It is a cyclic number.

It is not a de Polignac number, because 20508088320907 - 227 = 20507954103179 is a prime.

It is a super-2 number, since 2×205080883209072 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20508088320901) 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, 282529893 + ... + 282602470.

It is an arithmetic number, because the mean of its divisors is an integer number (2797405201800).

Almost surely, 220508088320907 is an apocalyptic number.

20508088320907 is a deficient number, since it is larger than the sum of its proper divisors (1871153293493).

20508088320907 is a wasteful number, since it uses less digits than its factorization.

20508088320907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565135673.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 20508088320907 in words is "twenty trillion, five hundred eight billion, eighty-eight million, three hundred twenty thousand, nine hundred seven".

Divisors: 1 11 3299 36289 565132363 6216455993 1864371665537 20508088320907