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32212212020 = 22519839710529
BaseRepresentation
bin11101111111111111…
…110101100100110100
310002010220221220202122
4131333333311210310
51011432311241040
622444215255112
72220151166402
oct357777654464
9102126856678
1032212212020
111272aa5472a
1262ab97a498
1330647b10b1
1417b8184472
15c87e591b5
hex77fff5934

32212212020 has 96 divisors (see below), whose sum is σ = 72813686400. Its totient is φ = 11934203904.

The previous prime is 32212211971. The next prime is 32212212023. The reversal of 32212212020 is 2021221223.

It is a self number, because there is not a number n which added to its sum of digits gives 32212212020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212212023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3054116 + ... + 3064644.

It is an arithmetic number, because the mean of its divisors is an integer number (758475900).

Almost surely, 232212212020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32212212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36406843200).

32212212020 is an abundant number, since it is smaller than the sum of its proper divisors (40601474380).

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

32212212020 is a wasteful number, since it uses less digits than its factorization.

32212212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737 (or 10735 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 32212212020 its reverse (2021221223), we get a palindrome (34233433243).

The spelling of 32212212020 in words is "thirty-two billion, two hundred twelve million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 83 95 97 166 190 194 332 380 388 415 485 830 970 1577 1660 1843 1940 3154 3686 6308 7372 7885 8051 9215 10529 15770 16102 18430 21058 31540 32204 36860 40255 42116 52645 80510 105290 152969 161020 200051 210580 305938 400102 611876 764845 800204 873907 1000255 1021313 1529690 1747814 2000510 2042626 3059380 3495628 4001020 4085252 4369535 5106565 8739070 10213130 16604233 17478140 19404947 20426260 33208466 38809894 66416932 77619788 83021165 84768979 97024735 166042330 169537958 194049470 332084660 339075916 388098940 423844895 847689790 1610610601 1695379580 3221221202 6442442404 8053053005 16106106010 32212212020