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20303002442 = 222345522427
BaseRepresentation
bin10010111010001001…
…110011101101001010
31221101221200101110102
4102322021303231022
5313040032034232
613154351445402
71316061446642
oct227211635512
957357611412
1020303002442
118679574268
123b27526862
131bb73b7218
14da863b522
157dc66e662
hex4ba273b4a

20303002442 has 8 divisors (see below), whose sum is σ = 30591071616. Its totient is φ = 10105978572.

The previous prime is 20303002409. The next prime is 20303002513. The reversal of 20303002442 is 24420030302.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 22760768 + ... + 22761659.

It is an arithmetic number, because the mean of its divisors is an integer number (3823883952).

Almost surely, 220303002442 is an apocalyptic number.

20303002442 is a deficient number, since it is larger than the sum of its proper divisors (10288069174).

20303002442 is a wasteful number, since it uses less digits than its factorization.

20303002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45522652.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20303002442 its reverse (24420030302), we get a palindrome (44723032744).

The spelling of 20303002442 in words is "twenty billion, three hundred three million, two thousand, four hundred forty-two".

Divisors: 1 2 223 446 45522427 91044854 10151501221 20303002442