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20625830667348 = 2234339972540053
BaseRepresentation
bin1001011000010010100110…
…10011110110010001010100
32201000210212121021102100020
410230021103103312101110
510200413200122323343
6111511213101145140
74226111211642654
oct454112323662124
981023777242306
1020625830667348
1166324027742a5
122391510b5b1b0
13b680135a729a
1451441cd18364
1525b7d27a9b83
hex12c2534f6454

20625830667348 has 24 divisors (see below), whose sum is σ = 49246169346528. Its totient is φ = 6715386728736.

The previous prime is 20625830667319. The next prime is 20625830667349. The reversal of 20625830667348 is 84376603852602.

It is a super-2 number, since 2×206258306673482 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20625830667291 and 20625830667300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20625830667349) 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, 19986269511 + ... + 19986270542.

It is an arithmetic number, because the mean of its divisors is an integer number (2051923722772).

Almost surely, 220625830667348 is an apocalyptic number.

It is an amenable number.

20625830667348 is an abundant number, since it is smaller than the sum of its proper divisors (28620338679180).

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

20625830667348 is a wasteful number, since it uses less digits than its factorization.

20625830667348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39972540103 (or 39972540101 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 60.

The spelling of 20625830667348 in words is "twenty trillion, six hundred twenty-five billion, eight hundred thirty million, six hundred sixty-seven thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 39972540053 79945080106 119917620159 159890160212 239835240318 479670480636 1718819222279 3437638444558 5156457666837 6875276889116 10312915333674 20625830667348