Search a number
-
+
203368502020 = 225174871228219
BaseRepresentation
bin1011110101100110110…
…1010001001100000100
3201102221002201022120111
42331121231101030010
511312444314031040
6233232020442404
720456442513415
oct2753155211404
9642832638514
10203368502020
1179280243672
12334b7849404
1316240167238
149bb360d80c
155454058dea
hex2f59b51304

203368502020 has 48 divisors (see below), whose sum is σ = 453124748160. Its totient is φ = 76404985344.

The previous prime is 203368501951. The next prime is 203368502023. The reversal of 203368502020 is 20205863302.

It is a super-2 number, since 2×2033685020202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203368502023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448530 + ... + 779689.

It is an arithmetic number, because the mean of its divisors is an integer number (9440098920).

Almost surely, 2203368502020 is an apocalyptic number.

203368502020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203368502020 is an abundant number, since it is smaller than the sum of its proper divisors (249756246140).

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

203368502020 is a wasteful number, since it uses less digits than its factorization.

203368502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228732 (or 1228730 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 203368502020 in words is "two hundred three billion, three hundred sixty-eight million, five hundred two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 487 974 1948 2435 4870 8279 9740 16558 33116 41395 82790 165580 1228219 2456438 4912876 6141095 12282190 20879723 24564380 41759446 83518892 104398615 208797230 417594460 598142653 1196285306 2392570612 2990713265 5981426530 10168425101 11962853060 20336850202 40673700404 50842125505 101684251010 203368502020