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2122011020 = 225174760733
BaseRepresentation
bin111111001111011…
…0101000110001100
312110212221022212202
41332132311012030
513321213323040
6550322021032
7103404540023
oct17636650614
95425838782
102122011020
11999902318
124b27a7778
1327a82672c
14161b798ba
15c6464015
hex7e7b518c

2122011020 has 24 divisors (see below), whose sum is σ = 4458847344. Its totient is φ = 848304576.

The previous prime is 2122010993. The next prime is 2122011049. The reversal of 2122011020 is 201102212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122010992 and 2122011010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4574 + ... + 65306.

It is an arithmetic number, because the mean of its divisors is an integer number (185785306).

Almost surely, 22122011020 is an apocalyptic number.

2122011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122011020 is an abundant number, since it is smaller than the sum of its proper divisors (2336836324).

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

2122011020 is a wasteful number, since it uses less digits than its factorization.

2122011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62489 (or 62487 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2122011020 is about 46065.2908381137. The cubic root of 2122011020 is about 1285.0377274474.

Adding to 2122011020 its reverse (201102212), we get a palindrome (2323113232).

The spelling of 2122011020 in words is "two billion, one hundred twenty-two million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 1747 3494 6988 8735 17470 34940 60733 121466 242932 303665 607330 1214660 106100551 212201102 424402204 530502755 1061005510 2122011020