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20604250192 = 2431103403309
BaseRepresentation
bin10011001100000110…
…111110100001010000
31222011221112100200111
4103030012332201100
5314144142001232
613244312331104
71326410144161
oct231406764120
958157470614
1020604250192
118813620149
123bb03a3a94
131c34930c26
14dd6657768
15808d28047
hex4cc1be850

20604250192 has 40 divisors (see below), whose sum is σ = 41608686080. Its totient is φ = 9872979840.

The previous prime is 20604250159. The next prime is 20604250211. The reversal of 20604250192 is 29105240602.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150567 + ... + 252742.

It is an arithmetic number, because the mean of its divisors is an integer number (1040217152).

Almost surely, 220604250192 is an apocalyptic number.

It is an amenable number.

20604250192 is an abundant number, since it is smaller than the sum of its proper divisors (21004435888).

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

20604250192 is a wasteful number, since it uses less digits than its factorization.

20604250192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403451 (or 403445 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 20604250192 its reverse (29105240602), we get a palindrome (49709490794).

The spelling of 20604250192 in words is "twenty billion, six hundred four million, two hundred fifty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 31 62 103 124 206 248 412 496 824 1648 3193 6386 12772 25544 51088 403309 806618 1613236 3226472 6452944 12502579 25005158 41540827 50010316 83081654 100020632 166163308 200041264 332326616 664653232 1287765637 2575531274 5151062548 10302125096 20604250192