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11210022020 = 2251732970653
BaseRepresentation
bin10100111000010101…
…10101110010000100
31001221020122010021202
422130022311302010
5140424231201040
65052205402032
7544536420641
oct123412656204
931836563252
1011210022020
11483284650a
12220a269318
1310985b0532
14784b40dc8
15459228015
hex29c2b5c84

11210022020 has 24 divisors (see below), whose sum is σ = 24925814424. Its totient is φ = 4220243456.

The previous prime is 11210021993. The next prime is 11210022067. The reversal of 11210022020 is 2022001211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4380321856 + 6829700164 = 66184^2 + 82642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11210021992 and 11210022010.

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, 16484987 + ... + 16485666.

It is an arithmetic number, because the mean of its divisors is an integer number (1038575601).

Almost surely, 211210022020 is an apocalyptic number.

11210022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210022020 is an abundant number, since it is smaller than the sum of its proper divisors (13715792404).

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

11210022020 is a wasteful number, since it uses less digits than its factorization.

11210022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32970679 (or 32970677 counting only the distinct ones).

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

Adding to 11210022020 its reverse (2022001211), we get a palindrome (13232023231).

The spelling of 11210022020 in words is "eleven billion, two hundred ten million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 32970653 65941306 131882612 164853265 329706530 560501101 659413060 1121002202 2242004404 2802505505 5605011010 11210022020