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20122011222 = 233353668537
BaseRepresentation
bin10010101111010111…
…011000011001010110
31220221100010002011220
4102233113120121112
5312202213324342
613124404311210
71311433162515
oct225727303126
956840102156
1020122011222
118596394945
123a969a2506
131b88a57121
14d8c5a667c
157cb81c5ec
hex4af5d8656

20122011222 has 8 divisors (see below), whose sum is σ = 40244022456. Its totient is φ = 6707337072.

The previous prime is 20122011149. The next prime is 20122011229. The reversal of 20122011222 is 22211022102.

It is a sphenic number, since it is the product of 3 distinct primes.

20122011222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011229) 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 3 ways as a sum of consecutive naturals, for example, 1676834263 + ... + 1676834274.

It is an arithmetic number, because the mean of its divisors is an integer number (5030502807).

Almost surely, 220122011222 is an apocalyptic number.

20122011222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20122011222 is a wasteful number, since it uses less digits than its factorization.

20122011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353668542.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122011222 its reverse (22211022102), we get a palindrome (42333033324).

The spelling of 20122011222 in words is "twenty billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 3353668537 6707337074 10061005611 20122011222