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20024420022 = 234123607531
BaseRepresentation
bin10010101001100011…
…000110011010110110
31220200112110221020000
4102221203012122312
5312002222420042
613111000452130
71306136522205
oct225143063266
956615427200
1020024420022
118546299162
123a6a17a046
131b71777b59
14d7d64123c
157c2e9174c
hex4a98c66b6

20024420022 has 20 divisors (see below), whose sum is σ = 44869534116. Its totient is φ = 6674806620.

The previous prime is 20024420021. The next prime is 20024420027. The reversal of 20024420022 is 22002442002.

20024420022 is a `hidden beast` number, since 200 + 2 + 442 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20024419977 and 20024420004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024420021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61803604 + ... + 61803927.

Almost surely, 220024420022 is an apocalyptic number.

20024420022 is an abundant number, since it is smaller than the sum of its proper divisors (24845114094).

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

20024420022 is a wasteful number, since it uses less digits than its factorization.

20024420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123607545 (or 123607536 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20024420022 its reverse (22002442002), we get a palindrome (42026862024).

It can be divided in two parts, 2002442002 and 2, that multiplied together give a palindrome (4004884004).

The spelling of 20024420022 in words is "twenty billion, twenty-four million, four hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 123607531 247215062 370822593 741645186 1112467779 2224935558 3337403337 6674806674 10012210011 20024420022