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20301424120 = 235507535603
BaseRepresentation
bin10010111010000011…
…110010010111111000
31221101211201012102001
4102322003302113320
5313034131032440
613154253550344
71316042154265
oct227203622770
957354635361
1020301424120
11867869646a
123b26aa53b4
131bb6c839c3
14da834a26c
157dc45bb9a
hex4ba0f25f8

20301424120 has 16 divisors (see below), whose sum is σ = 45678204360. Its totient is φ = 8120569632.

The previous prime is 20301424081. The next prime is 20301424127. The reversal of 20301424120 is 2142410302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301424127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253767762 + ... + 253767841.

Almost surely, 220301424120 is an apocalyptic number.

20301424120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301424120 is an abundant number, since it is smaller than the sum of its proper divisors (25376780240).

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

20301424120 is a wasteful number, since it uses less digits than its factorization.

20301424120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507535614 (or 507535610 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20301424120 its reverse (2142410302), we get a palindrome (22443834422).

The spelling of 20301424120 in words is "twenty billion, three hundred one million, four hundred twenty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 507535603 1015071206 2030142412 2537678015 4060284824 5075356030 10150712060 20301424120