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20220001004 = 2271076748999
BaseRepresentation
bin10010110101001101…
…001011101011101100
31221012011111110220002
4102311031023223230
5312402310013004
613142224443432
71314033113150
oct226515135354
957164443802
1020220001004
118636733035
123b03779578
131ba3145948
14d9b5d3060
157d522661e
hex4b534baec

20220001004 has 24 divisors (see below), whose sum is σ = 40817952000. Its totient is φ = 8584725456.

The previous prime is 20220000973. The next prime is 20220001027. The reversal of 20220001004 is 40010002202.

It is a super-2 number, since 2×202200010042 (a number of 21 digits) contains 22 as substring.

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, 3371504 + ... + 3377495.

It is an arithmetic number, because the mean of its divisors is an integer number (1700748000).

Almost surely, 220220001004 is an apocalyptic number.

It is an amenable number.

20220001004 is an abundant number, since it is smaller than the sum of its proper divisors (20597950996).

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

20220001004 is a wasteful number, since it uses less digits than its factorization.

20220001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749117 (or 6749115 counting only the distinct ones).

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

Adding to 20220001004 its reverse (40010002202), we get a palindrome (60230003206).

The spelling of 20220001004 in words is "twenty billion, two hundred twenty million, one thousand, four".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2996 6748999 13497998 26995996 47242993 94485986 188971972 722142893 1444285786 2888571572 5055000251 10110000502 20220001004