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20430114255460 = 22571319792774531
BaseRepresentation
bin1001010010100110000011…
…01100111111001001100100
32200100002200210022120001101
410221103001230333021210
510134211333222133320
6111241244231205444
74206012163616020
oct451230154771144
980302623276041
1020430114255460
1165673a9981268
12235b5abb16884
13b5272287c440
14508b73acb380
1525667a426c0a
hex1294c1b3f264

20430114255460 has 192 divisors, whose sum is σ = 55590902599680. Its totient is φ = 6124634519040.

The previous prime is 20430114255391. The next prime is 20430114255491. The reversal of 20430114255460 is 6455241103402.

It is a super-2 number, since 2×204301142554602 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274078395 + ... + 274152925.

It is an arithmetic number, because the mean of its divisors is an integer number (289535951040).

Almost surely, 220430114255460 is an apocalyptic number.

20430114255460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20430114255460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27795451299840).

20430114255460 is an abundant number, since it is smaller than the sum of its proper divisors (35160788344220).

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

20430114255460 is a wasteful number, since it uses less digits than its factorization.

20430114255460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82506 (or 82504 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 20430114255460 its reverse (6455241103402), we get a palindrome (26885355358862).

The spelling of 20430114255460 in words is "twenty trillion, four hundred thirty billion, one hundred fourteen million, two hundred fifty-five thousand, four hundred sixty".