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20423626124331 = 324913327326269
BaseRepresentation
bin1001010010011001111101…
…11110101110110000101011
32200022110221121202100100110
410221030332332232300223
510134110041241434311
6111234252340105403
74205362331455563
oct451147676566053
980273847670313
1020423626124331
11656467a560321
12235a29b095263
13b51c2a6259b1
1450871a135da3
152563eaa1c8a6
hex12933efaec2b

20423626124331 has 8 divisors (see below), whose sum is σ = 27231611800720. Its totient is φ = 13615695598752.

The previous prime is 20423626124267. The next prime is 20423626124339. The reversal of 20423626124331 is 13342162632402.

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

It is not a de Polignac number, because 20423626124331 - 26 = 20423626124267 is a prime.

It is a super-2 number, since 2×204236261243312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20423626124331.

It is not an unprimeable number, because it can be changed into a prime (20423626124339) 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, 12915736 + ... + 14410533.

It is an arithmetic number, because the mean of its divisors is an integer number (3403951475090).

Almost surely, 220423626124331 is an apocalyptic number.

20423626124331 is a deficient number, since it is larger than the sum of its proper divisors (6807985676389).

20423626124331 is a wasteful number, since it uses less digits than its factorization.

20423626124331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575405.

The product of its (nonzero) digits is 248832, while the sum is 39.

Adding to 20423626124331 its reverse (13342162632402), we get a palindrome (33765788756733).

The spelling of 20423626124331 in words is "twenty trillion, four hundred twenty-three billion, six hundred twenty-six million, one hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 3 249133 747399 27326269 81978807 6807875374777 20423626124331