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20303013032 = 2320353124693
BaseRepresentation
bin10010111010001001…
…110110010010101000
31221101221200220222122
4102322021312102220
5313040032404112
613154352010412
71316061522551
oct227211662250
957357626878
1020303013032
118679581215
123b27530a08
131bb73bbca3
14da8641328
157dc672872
hex4ba2764a8

20303013032 has 16 divisors (see below), whose sum is σ = 38070325140. Its totient is φ = 10150926336.

The previous prime is 20303012981. The next prime is 20303013053. The reversal of 20303013032 is 23031030302.

It can be written as a sum of positive squares in 2 ways, for example, as 19363835716 + 939177316 = 139154^2 + 30646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20303013032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100478 + ... + 225170.

Almost surely, 220303013032 is an apocalyptic number.

It is an amenable number.

20303013032 is a deficient number, since it is larger than the sum of its proper divisors (17767312108).

20303013032 is a wasteful number, since it uses less digits than its factorization.

20303013032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145052 (or 145048 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20303013032 its reverse (23031030302), we get a palindrome (43334043334).

The spelling of 20303013032 in words is "twenty billion, three hundred three million, thirteen thousand, thirty-two".

Divisors: 1 2 4 8 20353 40706 81412 124693 162824 249386 498772 997544 2537876629 5075753258 10151506516 20303013032