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20301022044 = 2232976757737
BaseRepresentation
bin10010111010000010…
…010000001101011100
31221101210221202212100
4102322002100031130
5313034030201134
613154241205100
71316035561122
oct227202201534
957353852770
1020301022044
118678441376
123b26930790
131bb6b729a4
14da8283912
157dc3cc999
hex4ba09035c

20301022044 has 36 divisors (see below), whose sum is σ = 51322615344. Its totient is φ = 6766197312.

The previous prime is 20301022037. The next prime is 20301022069. The reversal of 20301022044 is 44022010302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322744 + ... + 380480.

It is an arithmetic number, because the mean of its divisors is an integer number (1425628204).

Almost surely, 220301022044 is an apocalyptic number.

It is an amenable number.

20301022044 is an abundant number, since it is smaller than the sum of its proper divisors (31021593300).

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

20301022044 is a wasteful number, since it uses less digits than its factorization.

20301022044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67514 (or 67509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20301022044 its reverse (44022010302), we get a palindrome (64323032346).

The spelling of 20301022044 in words is "twenty billion, three hundred one million, twenty-two thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 9767 19534 29301 39068 57737 58602 87903 115474 117204 173211 175806 230948 346422 351612 519633 692844 1039266 2078532 563917279 1127834558 1691751837 2255669116 3383503674 5075255511 6767007348 10150511022 20301022044