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2120232102020 = 225106011605101
BaseRepresentation
bin11110110110100111101…
…011100110100010000100
321111200200121202110120122
4132312213223212202010
5234214213404231040
64302004324121112
7306116220336524
oct36664753464204
97450617673518
102120232102020
1174820482465a
122a2ab9536198
13124c248656c6
1474896973684
153a24352e1b5
hex1eda7ae6884

2120232102020 has 12 divisors (see below), whose sum is σ = 4452487414284. Its totient is φ = 848092840800.

The previous prime is 2120232102019. The next prime is 2120232102031. The reversal of 2120232102020 is 202012320212.

It can be written as a sum of positive squares in 2 ways, for example, as 532249038916 + 1587983063104 = 729554^2 + 1260152^2 .

It is a super-2 number, since 2×21202321020202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120232102020.

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, 53005802531 + ... + 53005802570.

It is an arithmetic number, because the mean of its divisors is an integer number (371040617857).

Almost surely, 22120232102020 is an apocalyptic number.

2120232102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120232102020 is an abundant number, since it is smaller than the sum of its proper divisors (2332255312264).

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

2120232102020 is a wasteful number, since it uses less digits than its factorization.

2120232102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106011605110 (or 106011605108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2120232102020 its reverse (202012320212), we get a palindrome (2322244422232).

The spelling of 2120232102020 in words is "two trillion, one hundred twenty billion, two hundred thirty-two million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 106011605101 212023210202 424046420404 530058025505 1060116051010 2120232102020