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20301402432 = 263116390917
BaseRepresentation
bin10010111010000011…
…101101000101000000
31221101211200002122210
4102322003231011000
5313034124334212
613154253302120
71316042034123
oct227203550500
957354602583
1020301402432
118678681143
123b26a94940
131bb6c76b7c
14da83423ba
157dc45553c
hex4ba0ed140

20301402432 has 56 divisors (see below), whose sum is σ = 53760904416. Its totient is φ = 6761241088.

The previous prime is 20301402421. The next prime is 20301402449. The reversal of 20301402432 is 23420410302.

It is a junction number, because it is equal to n+sod(n) for n = 20301402399 and 20301402408.

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, 177838 + ... + 268754.

Almost surely, 220301402432 is an apocalyptic number.

It is an amenable number.

20301402432 is an abundant number, since it is smaller than the sum of its proper divisors (33459501984).

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

20301402432 is a wasteful number, since it uses less digits than its factorization.

20301402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92095 (or 92085 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20301402432 its reverse (23420410302), we get a palindrome (43721812734).

The spelling of 20301402432 in words is "twenty billion, three hundred one million, four hundred two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1163 2326 3489 4652 6978 9304 13956 18608 27912 37216 55824 74432 90917 111648 181834 223296 272751 363668 545502 727336 1091004 1454672 2182008 2909344 4364016 5818688 8728032 17456064 105736471 211472942 317209413 422945884 634418826 845891768 1268837652 1691783536 2537675304 3383567072 5075350608 6767134144 10150701216 20301402432