Search a number
-
+
20201010021012 = 2239587175593773
BaseRepresentation
bin1001001011111011010100…
…00001101100001010010100
32122112012100010021120111210
410211331222001230022110
510121433132031133022
6110544114344301420
74153321601014362
oct445755201541224
978465303246453
1020201010021012
116489222576a47
122323111471870
13b36c4093b382
144dba3c538632
1525071bd1aa0c
hex125f6a06c294

20201010021012 has 24 divisors (see below), whose sum is σ = 47140606943136. Its totient is φ = 6732967593568.

The previous prime is 20201010020999. The next prime is 20201010021013. The reversal of 20201010021012 is 21012001010202.

It is a super-3 number, since 3×202010100210123 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201010021013) 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, 87681843 + ... + 87911930.

It is an arithmetic number, because the mean of its divisors is an integer number (1964191955964).

Almost surely, 220201010021012 is an apocalyptic number.

It is an amenable number.

20201010021012 is an abundant number, since it is smaller than the sum of its proper divisors (26939596922124).

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

20201010021012 is a wasteful number, since it uses less digits than its factorization.

20201010021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175603367 (or 175603365 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201010021012 its reverse (21012001010202), we get a palindrome (41213011031214).

The spelling of 20201010021012 in words is "twenty trillion, two hundred one billion, ten million, twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 9587 19174 28761 38348 57522 115044 175593773 351187546 526781319 702375092 1053562638 2107125276 1683417501751 3366835003502 5050252505253 6733670007004 10100505010506 20201010021012