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20410034240 = 26591969403
BaseRepresentation
bin10011000000100010…
…000110100001000000
31221200102002011111002
4103000202012201000
5313244432043430
613213133511132
71321531300001
oct230042064100
957612064432
1020410034240
118723a288a2
123b573424a8
131c0362054b
14db893d1a8
157e6c62845
hex4c0886840

20410034240 has 56 divisors (see below), whose sum is σ = 48654980160. Its totient is φ = 8155012608.

The previous prime is 20410034219. The next prime is 20410034257. The reversal of 20410034240 is 4243001402.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 259379 + ... + 328781.

Almost surely, 220410034240 is an apocalyptic number.

20410034240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410034240 is an abundant number, since it is smaller than the sum of its proper divisors (28244945920).

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

20410034240 is an equidigital number, since it uses as much as digits as its factorization.

20410034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70339 (or 70329 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20410034240 its reverse (4243001402), we get a palindrome (24653035642).

The spelling of 20410034240 in words is "twenty billion, four hundred ten million, thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 919 1838 3676 4595 7352 9190 14704 18380 29408 36760 58816 69403 73520 138806 147040 277612 294080 347015 555224 694030 1110448 1388060 2220896 2776120 4441792 5552240 11104480 22208960 63781357 127562714 255125428 318906785 510250856 637813570 1020501712 1275627140 2041003424 2551254280 4082006848 5102508560 10205017120 20410034240