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20220012001 = 779128328499
BaseRepresentation
bin10010110101001101…
…001110010111100001
31221012011112000222101
4102311031032113201
5312402310341001
613142225010401
71314033160210
oct226515162741
957164460871
1020220012001
118636740322
123b03783a01
131ba314a957
14d9b5d7077
157d5229a01
hex4b534e5e1

20220012001 has 16 divisors (see below), whose sum is σ = 23420160000. Its totient is φ = 17098116048.

The previous prime is 20220011963. The next prime is 20220012013. The reversal of 20220012001 is 10021002202.

It is a cyclic number.

It is not a de Polignac number, because 20220012001 - 217 = 20219880929 is a prime.

It is a super-3 number, since 3×202200120013 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220013001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695250 + ... + 723748.

It is an arithmetic number, because the mean of its divisors is an integer number (1463760000).

Almost surely, 220220012001 is an apocalyptic number.

It is an amenable number.

20220012001 is a deficient number, since it is larger than the sum of its proper divisors (3200147999).

20220012001 is a wasteful number, since it uses less digits than its factorization.

20220012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29868.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20220012001 its reverse (10021002202), we get a palindrome (30241014203).

The spelling of 20220012001 in words is "twenty billion, two hundred twenty million, twelve thousand, one".

Divisors: 1 7 79 553 1283 8981 28499 101357 199493 709499 2251421 15759947 36564217 255949519 2888573143 20220012001