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20314302020 = 2258591182439
BaseRepresentation
bin10010111010110100…
…111010011001000100
31221102201221110120022
4102322310322121010
5313100430131040
613155433554312
71316256501215
oct227264723104
957381843508
1020314302020
118684991861
123b2b275998
131bb984246c
14da9d3d40c
157dd6526b5
hex4bad3a644

20314302020 has 24 divisors (see below), whose sum is σ = 42709732800. Its totient is φ = 8116254432.

The previous prime is 20314302011. The next prime is 20314302023. The reversal of 20314302020 is 2020341302.

It is a self number, because there is not a number n which added to its sum of digits gives 20314302020.

It is not an unprimeable number, because it can be changed into a prime (20314302023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574040 + ... + 608399.

It is an arithmetic number, because the mean of its divisors is an integer number (1779572200).

Almost surely, 220314302020 is an apocalyptic number.

20314302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20314302020 is an abundant number, since it is smaller than the sum of its proper divisors (22395430780).

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

20314302020 is a wasteful number, since it uses less digits than its factorization.

20314302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183307 (or 1183305 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20314302020 its reverse (2020341302), we get a palindrome (22334643322).

The spelling of 20314302020 in words is "twenty billion, three hundred fourteen million, three hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 859 1718 3436 4295 8590 17180 1182439 2364878 4729756 5912195 11824390 23648780 1015715101 2031430202 4062860404 5078575505 10157151010 20314302020