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20424531004326 = 23216992152131033
BaseRepresentation
bin1001010010011011101001…
…11010100100101110100110
32200022120021200110000100100
410221031310322210232212
510134113414414114301
6111234522222524530
74205423630020641
oct451156472445646
980276250400310
1020424531004326
116564aa4316029
12235a4b2136746
13b52042c3a647
145087a43a2a58
152564501b0286
hex129374ea4ba6

20424531004326 has 48 divisors (see below), whose sum is σ = 44282681492400. Its totient is φ = 6803634424320.

The previous prime is 20424531004307. The next prime is 20424531004333. The reversal of 20424531004326 is 62340013542402.

20424531004326 is a `hidden beast` number, since 2 + 0 + 42 + 453 + 100 + 43 + 26 = 666.

It is a super-2 number, since 2×204245310043262 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658139706 + ... + 658170738.

It is an arithmetic number, because the mean of its divisors is an integer number (922555864425).

Almost surely, 220424531004326 is an apocalyptic number.

20424531004326 is an abundant number, since it is smaller than the sum of its proper divisors (23858150488074).

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

20424531004326 is a wasteful number, since it uses less digits than its factorization.

20424531004326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54261 (or 54258 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 20424531004326 its reverse (62340013542402), we get a palindrome (82764544546728).

The spelling of 20424531004326 in words is "twenty trillion, four hundred twenty-four billion, five hundred thirty-one million, four thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 18 1699 3398 5097 10194 15291 21521 30582 31033 43042 62066 64563 93099 129126 186198 193689 279297 387378 558594 36564179 52725067 73128358 105450134 109692537 158175201 219385074 316350402 329077611 474525603 658155222 667861193 949051206 1335722386 2003583579 4007167158 6010750737 12021501474 1134696166907 2269392333814 3404088500721 6808177001442 10212265502163 20424531004326