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1020022212 = 2231137320717
BaseRepresentation
bin111100110011000…
…100110111000100
32122002100111102110
4330303010313010
54042111202322
6245114341020
734164021456
oct7463046704
92562314373
101020022212
11483859870
1224572a770
1313342a751
14996802d6
155e838c0c
hex3ccc4dc4

1020022212 has 48 divisors (see below), whose sum is σ = 2603506752. Its totient is φ = 308254080.

The previous prime is 1020022189. The next prime is 1020022261. The reversal of 1020022212 is 2122200201.

1020022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38878 + ... + 59594.

It is an arithmetic number, because the mean of its divisors is an integer number (54239724).

Almost surely, 21020022212 is an apocalyptic number.

1020022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020022212 is an abundant number, since it is smaller than the sum of its proper divisors (1583484540).

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

1020022212 is a wasteful number, since it uses less digits than its factorization.

1020022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21108 (or 21106 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1020022212 is about 31937.7865857983. The cubic root of 1020022212 is about 1006.6300164037.

Adding to 1020022212 its reverse (2122200201), we get a palindrome (3142222413).

The spelling of 1020022212 in words is "one billion, twenty million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 373 746 1119 1492 2238 4103 4476 8206 12309 16412 20717 24618 41434 49236 62151 82868 124302 227887 248604 455774 683661 911548 1367322 2734644 7727441 15454882 23182323 30909764 46364646 85001851 92729292 170003702 255005553 340007404 510011106 1020022212