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20463020364 = 2234736281951
BaseRepresentation
bin10011000011101100…
…001110100101001100
31221211002210010210010
4103003230032211030
5313402013122424
613222305313220
71323043542333
oct230354164514
957732703703
1020463020364
118750929086
123b71035810
131c115b2b97
14dc19b2d1a
157eb72c229
hex4c3b0e94c

20463020364 has 24 divisors (see below), whose sum is σ = 48762943488. Its totient is φ = 6675878800.

The previous prime is 20463020363. The next prime is 20463020437. The reversal of 20463020364 is 46302036402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20463020363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18140412 + ... + 18141539.

It is an arithmetic number, because the mean of its divisors is an integer number (2031789312).

Almost surely, 220463020364 is an apocalyptic number.

It is an amenable number.

20463020364 is an abundant number, since it is smaller than the sum of its proper divisors (28299923124).

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

20463020364 is a wasteful number, since it uses less digits than its factorization.

20463020364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36282005 (or 36282003 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20463020364 its reverse (46302036402), we get a palindrome (66765056766).

The spelling of 20463020364 in words is "twenty billion, four hundred sixty-three million, twenty thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 36281951 72563902 108845853 145127804 217691706 435383412 1705251697 3410503394 5115755091 6821006788 10231510182 20463020364