Search a number
-
+
20125321422 = 2337611486141
BaseRepresentation
bin10010101111100100…
…000000100011001110
31220221120100020220220
4102233210000203032
5312204040241142
613125003252210
71311503260323
oct225744004316
956846306826
1020125321422
118598245948
123a97b1a066
131b89645a1b
14d8cbc8b4a
157cbc732ec
hex4af9008ce

20125321422 has 32 divisors (see below), whose sum is σ = 42016206624. Its totient is φ = 6420124800.

The previous prime is 20125321409. The next prime is 20125321457. The reversal of 20125321422 is 22412352102.

It is a junction number, because it is equal to n+sod(n) for n = 20125321392 and 20125321401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729529 + ... + 756612.

It is an arithmetic number, because the mean of its divisors is an integer number (1313006457).

Almost surely, 220125321422 is an apocalyptic number.

20125321422 is an abundant number, since it is smaller than the sum of its proper divisors (21890885202).

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

20125321422 is a wasteful number, since it uses less digits than its factorization.

20125321422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486244.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20125321422 its reverse (22412352102), we get a palindrome (42537673524).

The spelling of 20125321422 in words is "twenty billion, one hundred twenty-five million, three hundred twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 37 61 74 111 122 183 222 366 2257 4514 6771 13542 1486141 2972282 4458423 8916846 54987217 90654601 109974434 164961651 181309202 271963803 329923302 543927606 3354220237 6708440474 10062660711 20125321422