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20302320232 = 2329117174731
BaseRepresentation
bin10010111010000111…
…001101001001101000
31221101220101201122101
4102322013031021220
5313034343221412
613154325103144
71316052605665
oct227207151150
957356351571
1020302320232
118679148757
123b27257ab4
131bb720884c
14da8500a6c
157dc587457
hex4ba1cd268

20302320232 has 32 divisors (see below), whose sum is σ = 39413656800. Its totient is φ = 9792619200.

The previous prime is 20302320229. The next prime is 20302320239. The reversal of 20302320232 is 23202320302.

It is not an unprimeable number, because it can be changed into a prime (20302320239) 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, 234307 + ... + 309037.

It is an arithmetic number, because the mean of its divisors is an integer number (1231676775).

Almost surely, 220302320232 is an apocalyptic number.

It is an amenable number.

20302320232 is a deficient number, since it is larger than the sum of its proper divisors (19111336568).

20302320232 is a wasteful number, since it uses less digits than its factorization.

20302320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75937 (or 75933 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20302320232 its reverse (23202320302), we get a palindrome (43504640534).

The spelling of 20302320232 in words is "twenty billion, three hundred two million, three hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 29 58 116 232 1171 2342 4684 9368 33959 67918 74731 135836 149462 271672 298924 597848 2167199 4334398 8668796 17337592 87510001 175020002 350040004 700080008 2537790029 5075580058 10151160116 20302320232