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20301322212 = 2232587960691
BaseRepresentation
bin10010111010000011…
…011001011111100100
31221101211112000121200
4102322003121133210
5313034114302322
613154251442500
71316041251213
oct227203313744
957354460550
1020301322212
118678626946
123b26a56430
131bb6c494c2
14da832107a
157dc43b8ac
hex4ba0d97e4

20301322212 has 36 divisors (see below), whose sum is σ = 51404707536. Its totient is φ = 6755572080.

The previous prime is 20301322211. The next prime is 20301322219. The reversal of 20301322212 is 21222310302.

20301322212 is a `hidden beast` number, since 20 + 301 + 322 + 21 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20301322211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459214 + ... + 501477.

Almost surely, 220301322212 is an apocalyptic number.

It is an amenable number.

20301322212 is an abundant number, since it is smaller than the sum of its proper divisors (31103385324).

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

20301322212 is a wasteful number, since it uses less digits than its factorization.

20301322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961288 (or 961283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20301322212 its reverse (21222310302), we get a palindrome (41523632514).

The spelling of 20301322212 in words is "twenty billion, three hundred one million, three hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 587 1174 1761 2348 3522 5283 7044 10566 21132 960691 1921382 2882073 3842764 5764146 8646219 11528292 17292438 34584876 563925617 1127851234 1691776851 2255702468 3383553702 5075330553 6767107404 10150661106 20301322212