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20242442130 = 2351789445967
BaseRepresentation
bin10010110110100010…
…110010011110010010
31221020201201121022220
4102312202302132102
5312424031122010
613144345441510
71314424630161
oct226642623622
957221647286
1020242442130
118648370419
123b0b1a0296
131ba79a2211
14da05953d8
157d71aa970
hex4b68b2792

20242442130 has 64 divisors (see below), whose sum is σ = 52017707520. Its totient is φ = 5023361024.

The previous prime is 20242442123. The next prime is 20242442153. The reversal of 20242442130 is 3124424202.

It is a self number, because there is not a number n which added to its sum of digits gives 20242442130.

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 31 ways as a sum of consecutive naturals, for example, 177594 + ... + 268373.

It is an arithmetic number, because the mean of its divisors is an integer number (812776680).

Almost surely, 220242442130 is an apocalyptic number.

20242442130 is an abundant number, since it is smaller than the sum of its proper divisors (31775265390).

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

20242442130 is a wasteful number, since it uses less digits than its factorization.

20242442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446083.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20242442130 its reverse (3124424202), we get a palindrome (23366866332).

The spelling of 20242442130 in words is "twenty billion, two hundred forty-two million, four hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 89 102 170 178 255 267 445 510 534 890 1335 1513 2670 3026 4539 7565 9078 15130 22695 45390 445967 891934 1337901 2229835 2675802 4459670 6689505 7581439 13379010 15162878 22744317 37907195 39691063 45488634 75814390 79382126 113721585 119073189 198455315 227443170 238146378 396910630 595365945 674748071 1190731890 1349496142 2024244213 3373740355 4048488426 6747480710 10121221065 20242442130