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20242462220 = 2255917154629
BaseRepresentation
bin10010110110100010…
…110111011000001100
31221020201202121212222
4102312202313120030
5312424032242340
613144350114512
71314425042561
oct226642673014
957221677788
1020242462220
118648384522
123b0b1aba38
131ba79ab3c6
14da059c868
157d71b18b5
hex4b68b760c

20242462220 has 24 divisors (see below), whose sum is σ = 43229667600. Its totient is φ = 7959747392.

The previous prime is 20242462217. The next prime is 20242462249. The reversal of 20242462220 is 2226424202.

It is a self number, because there is not a number n which added to its sum of digits gives 20242462220.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8576135 + ... + 8578494.

It is an arithmetic number, because the mean of its divisors is an integer number (1801236150).

Almost surely, 220242462220 is an apocalyptic number.

20242462220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242462220 is an abundant number, since it is smaller than the sum of its proper divisors (22987205380).

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

20242462220 is a wasteful number, since it uses less digits than its factorization.

20242462220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17154697 (or 17154695 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20242462220 its reverse (2226424202), we get a palindrome (22468886422).

The spelling of 20242462220 in words is "twenty billion, two hundred forty-two million, four hundred sixty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 17154629 34309258 68618516 85773145 171546290 343092580 1012123111 2024246222 4048492444 5060615555 10121231110 20242462220