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20102020211120 = 245251275252639
BaseRepresentation
bin1001001001000010111011…
…10001100010000110110000
32122011201211100111012120112
410210201131301202012300
510113322414133223440
6110430423545200452
74143215541350501
oct444413561420660
978151740435515
1020102020211120
116450245394701
122307aa5a90128
13b2a7c64c6073
144d6d2b718ba8
1524cd76626965
hex12485dc621b0

20102020211120 has 20 divisors (see below), whose sum is σ = 46737196991040. Its totient is φ = 8040808084416.

The previous prime is 20102020211107. The next prime is 20102020211197. The reversal of 20102020211120 is 2111202020102.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 20102020211095 and 20102020211104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125637626240 + ... + 125637626399.

It is an arithmetic number, because the mean of its divisors is an integer number (2336859849552).

Almost surely, 220102020211120 is an apocalyptic number.

20102020211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102020211120 is an abundant number, since it is smaller than the sum of its proper divisors (26635176779920).

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

20102020211120 is a wasteful number, since it uses less digits than its factorization.

20102020211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251275252652 (or 251275252646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102020211120 its reverse (2111202020102), we get a palindrome (22213222231222).

The spelling of 20102020211120 in words is "twenty trillion, one hundred two billion, twenty million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 251275252639 502550505278 1005101010556 1256376263195 2010202021112 2512752526390 4020404042224 5025505052780 10051010105560 20102020211120