Search a number
-
+
20323303032 = 2331944568647
BaseRepresentation
bin10010111011010111…
…001111111001111000
31221110100212202122010
4102323113033321320
5313110231144112
613200354525520
71316426140224
oct227327177170
957410782563
1020323303032
118689a7a40a
123b322968a0
131bbb6743c6
14dab203784
157de32e63c
hex4bb5cfe78

20323303032 has 32 divisors (see below), whose sum is σ = 53482377600. Its totient is φ = 6417885024.

The previous prime is 20323303001. The next prime is 20323303067. The reversal of 20323303032 is 23030332302.

It is a super-2 number, since 2×203233030322 (a number of 21 digits) contains 22 as substring.

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, 22283868 + ... + 22284779.

It is an arithmetic number, because the mean of its divisors is an integer number (1671324300).

Almost surely, 220323303032 is an apocalyptic number.

It is an amenable number.

20323303032 is an abundant number, since it is smaller than the sum of its proper divisors (33159074568).

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

20323303032 is a wasteful number, since it uses less digits than its factorization.

20323303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44568675 (or 44568671 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 20323303032 its reverse (23030332302), we get a palindrome (43353635334).

The spelling of 20323303032 in words is "twenty billion, three hundred twenty-three million, three hundred three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 44568647 89137294 133705941 178274588 267411882 356549176 534823764 846804293 1069647528 1693608586 2540412879 3387217172 5080825758 6774434344 10161651516 20323303032