Search a number
-
+
1020202212 = 223101841751
BaseRepresentation
bin111100110011110…
…000110011100100
32122002200122100010
4330303300303210
54042132432322
6245122250220
734165401321
oct7463606344
92562618303
101020202212
11483972027
122457b6970
13133491663
14996c9b48
155e87220c
hex3ccf0ce4

1020202212 has 24 divisors (see below), whose sum is σ = 2404043712. Its totient is φ = 336700000.

The previous prime is 1020202201. The next prime is 1020202213. The reversal of 1020202212 is 2122020201.

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

It is not an unprimeable number, because it can be changed into a prime (1020202213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419664 + ... + 422087.

It is an arithmetic number, because the mean of its divisors is an integer number (100168488).

Almost surely, 21020202212 is an apocalyptic number.

1020202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020202212 is an abundant number, since it is smaller than the sum of its proper divisors (1383841500).

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

1020202212 is a wasteful number, since it uses less digits than its factorization.

1020202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841859 (or 841857 counting only the distinct ones).

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

The square root of 1020202212 is about 31940.6044401167. The cubic root of 1020202212 is about 1006.6892251620.

Adding to 1020202212 its reverse (2122020201), we get a palindrome (3142222413).

The spelling of 1020202212 in words is "one billion, twenty million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 841751 1683502 2525253 3367004 5050506 10101012 85016851 170033702 255050553 340067404 510101106 1020202212