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20022122 = 229595851
BaseRepresentation
bin100110001100…
…0001101101010
31101200020012002
41030120031222
520111201442
61553051002
7332120351
oct114301552
941606162
1020022122
1110335a0a
126856a62
1341c0513
142932998
151b57732
hex131836a

20022122 has 16 divisors (see below), whose sum is σ = 31600800. Its totient is φ = 9500400.

The previous prime is 20022113. The next prime is 20022127. The reversal of 20022122 is 22122002.

It is not an unprimeable number, because it can be changed into a prime (20022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 6347.

It is an arithmetic number, because the mean of its divisors is an integer number (1975050).

Almost surely, 220022122 is an apocalyptic number.

20022122 is a deficient number, since it is larger than the sum of its proper divisors (11578678).

20022122 is a wasteful number, since it uses less digits than its factorization.

20022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20022122 is about 4474.6085862341. The cubic root of 20022122 is about 271.5418053600.

Adding to 20022122 its reverse (22122002), we get a palindrome (42144124).

It can be divided in two parts, 200 and 22122, that added together give a palindrome (22322).

The spelling of 20022122 in words is "twenty million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 29 58 59 118 1711 3422 5851 11702 169679 339358 345209 690418 10011061 20022122