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20122002022 = 2191889280321
BaseRepresentation
bin10010101111010111…
…010110001001100110
31220221100002121120011
4102233113112021212
5312202213031042
613124404200434
71311433123633
oct225727261146
956840077504
1020122002022
118596388a41
123a9699911a
131b88a52b95
14d8c5a318a
157cb819a17
hex4af5d6266

20122002022 has 16 divisors (see below), whose sum is σ = 31788514800. Its totient is φ = 9526394880.

The previous prime is 20122002013. The next prime is 20122002053. The reversal of 20122002022 is 22020022102.

It is a junction number, because it is equal to n+sod(n) for n = 20122001993 and 20122002011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68379 + ... + 211942.

It is an arithmetic number, because the mean of its divisors is an integer number (1986782175).

Almost surely, 220122002022 is an apocalyptic number.

20122002022 is a deficient number, since it is larger than the sum of its proper divisors (11666512778).

20122002022 is a wasteful number, since it uses less digits than its factorization.

20122002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282231.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20122002022 its reverse (22020022102), we get a palindrome (42142024124).

The spelling of 20122002022 in words is "twenty billion, one hundred twenty-two million, two thousand, twenty-two".

Divisors: 1 2 19 38 1889 3778 35891 71782 280321 560642 5326099 10652198 529526369 1059052738 10061001011 20122002022