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20000103301420 = 22511776871170203
BaseRepresentation
bin1001000110000101000110…
…00011011000000100101100
32121210222202120211202120021
410203002203003120010230
510110140202421121140
6110311530504131524
74132650130044124
oct443024303300454
977728676752507
1020000103301420
116410aa5a03a10
1222b01a2166ba4
13b21003812138
144d201dc6bc84
1524a3ade8db4a
hex1230a30d812c

20000103301420 has 48 divisors (see below), whose sum is σ = 45819047409408. Its totient is φ = 7272665005760.

The previous prime is 20000103301417. The next prime is 20000103301469. The reversal of 20000103301420 is 2410330100002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000103301394 and 20000103301403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16506039 + ... + 17676241.

It is an arithmetic number, because the mean of its divisors is an integer number (954563487696).

Almost surely, 220000103301420 is an apocalyptic number.

20000103301420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000103301420 is an abundant number, since it is smaller than the sum of its proper divisors (25818944107988).

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

20000103301420 is a wasteful number, since it uses less digits than its factorization.

20000103301420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247910 (or 1247908 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20000103301420 its reverse (2410330100002), we get a palindrome (22410433401422).

The spelling of 20000103301420 in words is "twenty trillion, one hundred three million, three hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 77687 155374 310748 388435 776870 854557 1170203 1553740 1709114 2340406 3418228 4272785 4680812 5851015 8545570 11702030 12872233 17091140 23404060 25744466 51488932 64361165 128722330 257444660 90909560461 181819120922 363638241844 454547802305 909095604610 1000005165071 1818191209220 2000010330142 4000020660284 5000025825355 10000051650710 20000103301420