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1220020212332 = 221432721288829
BaseRepresentation
bin10001110000001110110…
…111110001001001101100
311022122002022021021100002
4101300032313301021230
5124442100133243312
62332245231123432
7154100144462015
oct21601667611154
94278068237302
101220020212332
11430453670a19
12178546373578
138b08021b5ac
144309939200c
1521b075ea4c2
hex11c0edf126c

1220020212332 has 12 divisors (see below), whose sum is σ = 2135184493680. Its totient is φ = 609967499856.

The previous prime is 1220020212329. The next prime is 1220020212347. The reversal of 1220020212332 is 2332120200221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10587107 + ... + 10701722.

It is an arithmetic number, because the mean of its divisors is an integer number (177932041140).

Almost surely, 21220020212332 is an apocalyptic number.

It is an amenable number.

1220020212332 is a deficient number, since it is larger than the sum of its proper divisors (915164281348).

1220020212332 is a wasteful number, since it uses less digits than its factorization.

1220020212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21303160 (or 21303158 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220020212332 its reverse (2332120200221), we get a palindrome (3552140412553).

The spelling of 1220020212332 in words is "one trillion, two hundred twenty billion, twenty million, two hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 4 14327 28654 57308 21288829 42577658 85155316 305005053083 610010106166 1220020212332