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20201012112001 = 74272767541809
BaseRepresentation
bin1001001011111011010100…
…01001101010101010000001
32122112012100021012210210211
410211331222021222222001
510121433133100041001
6110544114501154121
74153321624543510
oct445755211525201
978465307183724
1020201012112001
116489223774a36
1223231120bb941
13b36c411c1046
144dba3c920677
1525071c0d0351
hex125f6a26aa81

20201012112001 has 8 divisors (see below), whose sum is σ = 23087411661440. Its totient is φ = 17314747731648.

The previous prime is 20201012111999. The next prime is 20201012112013. The reversal of 20201012112001 is 10021121010202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201012112001 - 21 = 20201012111999 is a prime.

It is a super-2 number, since 2×202010121120012 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201012112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33471816 + ... + 34069993.

It is an arithmetic number, because the mean of its divisors is an integer number (2885926457680).

Almost surely, 220201012112001 is an apocalyptic number.

It is an amenable number.

20201012112001 is a deficient number, since it is larger than the sum of its proper divisors (2886399549439).

20201012112001 is an equidigital number, since it uses as much as digits as its factorization.

20201012112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67584543.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201012112001 its reverse (10021121010202), we get a palindrome (30222133122203).

The spelling of 20201012112001 in words is "twenty trillion, two hundred one billion, twelve million, one hundred twelve thousand, one".

Divisors: 1 7 42727 299089 67541809 472792663 2885858873143 20201012112001