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20020202211222 = 234123581495131
BaseRepresentation
bin1001000110101010100010…
…00010101000011110010110
32121212220122022111011120000
410203111101002220132112
510111002333231224342
6110325053125352130
74134261163002603
oct443252102503626
977786568434500
1020020202211222
11641957a24a374
1222b4071268646
13b22b8783b285
144d2da933d6aa
1524ab8874644c
hex1235510a8796

20020202211222 has 20 divisors (see below), whose sum is σ = 44860082732916. Its totient is φ = 6673400737020.

The previous prime is 20020202211221. The next prime is 20020202211227. The reversal of 20020202211222 is 22211220202002.

20020202211222 is a `hidden beast` number, since 20 + 0 + 202 + 0 + 221 + 1 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20020202211195 and 20020202211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020202211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61790747404 + ... + 61790747727.

Almost surely, 220020202211222 is an apocalyptic number.

20020202211222 is an abundant number, since it is smaller than the sum of its proper divisors (24839880521694).

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

20020202211222 is a wasteful number, since it uses less digits than its factorization.

20020202211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123581495145 (or 123581495136 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20020202211222 its reverse (22211220202002), we get a palindrome (42231422413224).

The spelling of 20020202211222 in words is "twenty trillion, twenty billion, two hundred two million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 123581495131 247162990262 370744485393 741488970786 1112233456179 2224466912358 3336700368537 6673400737074 10010101105611 20020202211222