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20302142010 = 2351935617793
BaseRepresentation
bin10010111010000110…
…100001101000111010
31221101220001200011120
4102322012201220322
5313034322021020
613154321210110
71316051234253
oct227206415072
957356050146
1020302142010
118679036867
123b27190936
131bb71756a7
14da8495b2a
157dc54e740
hex4ba1a1a3a

20302142010 has 32 divisors (see below), whose sum is σ = 51289623360. Its totient is φ = 5128962048.

The previous prime is 20302141997. The next prime is 20302142011. The reversal of 20302142010 is 1024120302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20302142011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17808327 + ... + 17809466.

It is an arithmetic number, because the mean of its divisors is an integer number (1602800730).

Almost surely, 220302142010 is an apocalyptic number.

20302142010 is an abundant number, since it is smaller than the sum of its proper divisors (30987481350).

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

20302142010 is a wasteful number, since it uses less digits than its factorization.

20302142010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35617822.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20302142010 its reverse (1024120302), we get a palindrome (21326262312).

The spelling of 20302142010 in words is "twenty billion, three hundred two million, one hundred forty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 35617793 71235586 106853379 178088965 213706758 356177930 534266895 676738067 1068533790 1353476134 2030214201 3383690335 4060428402 6767380670 10151071005 20302142010