Search a number
-
+
20430033122 = 210215016561
BaseRepresentation
bin10011000001101110…
…011001000011100010
31221201210201012210102
4103001232121003202
5313320042024442
613215130302402
71322163262532
oct230156310342
957653635712
1020430033122
1187342482a4
123b61b87a02
131c078032c5
14dbb4674c2
157e88b3232
hex4c1b990e2

20430033122 has 4 divisors (see below), whose sum is σ = 30645049686. Its totient is φ = 10215016560.

The previous prime is 20430033103. The next prime is 20430033133. The reversal of 20430033122 is 22133003402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13037300761 + 7392732361 = 114181^2 + 85981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20430033094 and 20430033103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107508279 + ... + 5107508282.

Almost surely, 220430033122 is an apocalyptic number.

20430033122 is a deficient number, since it is larger than the sum of its proper divisors (10215016564).

20430033122 is a wasteful number, since it uses less digits than its factorization.

20430033122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215016563.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20430033122 its reverse (22133003402), we get a palindrome (42563036524).

The spelling of 20430033122 in words is "twenty billion, four hundred thirty million, thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 10215016561 20430033122