Search a number
-
+
20213331032 = 2319971370953
BaseRepresentation
bin10010110100110011…
…101111010001011000
31221011200221121102002
4102310303233101120
5312344103043112
613141425500132
71313622323156
oct226463572130
957150847362
1020213331032
118632997864
123b014a1648
131ba194ba0b
14d9a7783d6
157d485a1c2
hex4b4cef458

20213331032 has 32 divisors (see below), whose sum is σ = 40306047600. Its totient is φ = 9476020224.

The previous prime is 20213331001. The next prime is 20213331067. The reversal of 20213331032 is 23013331202.

It is a junction number, because it is equal to n+sod(n) for n = 20213330995 and 20213331013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670733 + ... + 700220.

Almost surely, 220213331032 is an apocalyptic number.

It is an amenable number.

20213331032 is a deficient number, since it is larger than the sum of its proper divisors (20092716568).

20213331032 is a wasteful number, since it uses less digits than its factorization.

20213331032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371075 (or 1371071 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20213331032 its reverse (23013331202), we get a palindrome (43226662234).

The spelling of 20213331032 in words is "twenty billion, two hundred thirteen million, three hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 19 38 76 97 152 194 388 776 1843 3686 7372 14744 1370953 2741906 5483812 10967624 26048107 52096214 104192428 132982441 208384856 265964882 531929764 1063859528 2526666379 5053332758 10106665516 20213331032