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2321112020 = 225116055601
BaseRepresentation
bin1000101001011001…
…0101101111010100
312222202120201002212
42022112111233110
514223201041040
61022153252552
7111343061303
oct21226255724
95882521085
102321112020
11a912308a7
12549404158
132acb57786
141803a643a
15d8b91d65
hex8a595bd4

2321112020 has 12 divisors (see below), whose sum is σ = 4874335284. Its totient is φ = 928444800.

The previous prime is 2321111993. The next prime is 2321112089. The reversal of 2321112020 is 202111232.

It is a happy number.

2321112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1515233476 + 805878544 = 38926^2 + 28388^2 .

It is a super-2 number, since 2×23211120202 = 10775122018776960800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321111986 and 2321112004.

It is a congruent number.

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, 58027781 + ... + 58027820.

It is an arithmetic number, because the mean of its divisors is an integer number (406194607).

Almost surely, 22321112020 is an apocalyptic number.

2321112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321112020 is an abundant number, since it is smaller than the sum of its proper divisors (2553223264).

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

2321112020 is a wasteful number, since it uses less digits than its factorization.

2321112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116055610 (or 116055608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2321112020 is about 48177.9204615558. The cubic root of 2321112020 is about 1324.0326666882.

Adding to 2321112020 its reverse (202111232), we get a palindrome (2523223252).

The spelling of 2321112020 in words is "two billion, three hundred twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 116055601 232111202 464222404 580278005 1160556010 2321112020