Search a number
-
+
20203203244 = 2274336612521
BaseRepresentation
bin10010110100001101…
…000110101010101100
31221010222220001200211
4102310031012222230
5312334010000434
613140424432204
71313440252120
oct226415065254
957128801624
1020203203244
1186281aa694
123aba018664
131b9c813c43
14d9929d580
157d3a09464
hex4b4346aac

20203203244 has 48 divisors (see below), whose sum is σ = 40577083456. Its totient is φ = 8622028800.

The previous prime is 20203203239. The next prime is 20203203259. The reversal of 20203203244 is 44230230202.

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, 8012704 + ... + 8015224.

Almost surely, 220203203244 is an apocalyptic number.

It is an amenable number.

20203203244 is an abundant number, since it is smaller than the sum of its proper divisors (20373880212).

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

20203203244 is a wasteful number, since it uses less digits than its factorization.

20203203244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20203203244 its reverse (44230230202), we get a palindrome (64433433446).

The spelling of 20203203244 in words is "twenty billion, two hundred three million, two hundred three thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 433 661 866 1322 1732 2521 2644 3031 4627 5042 6062 9254 10084 12124 17647 18508 35294 70588 286213 572426 1091593 1144852 1666381 2003491 2183186 3332762 4006982 4366372 6665524 7641151 8013964 11664667 15282302 23329334 30564604 46658668 721542973 1443085946 2886171892 5050800811 10101601622 20203203244