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20301110024 = 2313195202981
BaseRepresentation
bin10010111010000010…
…100101101100001000
31221101211010020112212
4102322002211230020
5313034041010044
613154243124252
71316036405456
oct227202455410
957354106485
1020301110024
1186784a1488
123b26973688
131bb6ba3a50
14da82a79d6
157dc3e8a9e
hex4ba0a5b08

20301110024 has 16 divisors (see below), whose sum is σ = 40992626220. Its totient is φ = 9369743040.

The previous prime is 20301110023. The next prime is 20301110029. The reversal of 20301110024 is 42001110302.

It can be written as a sum of positive squares in 2 ways, for example, as 16923408100 + 3377701924 = 130090^2 + 58118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20301109990 and 20301110008.

It is not an unprimeable number, because it can be changed into a prime (20301110023) 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, 97601387 + ... + 97601594.

Almost surely, 220301110024 is an apocalyptic number.

It is an amenable number.

20301110024 is an abundant number, since it is smaller than the sum of its proper divisors (20691516196).

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

20301110024 is a wasteful number, since it uses less digits than its factorization.

20301110024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195203000 (or 195202996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20301110024 its reverse (42001110302), we get a palindrome (62302220326).

The spelling of 20301110024 in words is "twenty billion, three hundred one million, one hundred ten thousand, twenty-four".

Divisors: 1 2 4 8 13 26 52 104 195202981 390405962 780811924 1561623848 2537638753 5075277506 10150555012 20301110024