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20022708700 = 22521813113557
BaseRepresentation
bin10010101001011100…
…100100100111011100
31220200102020222201201
4102221130210213130
5312001303134300
613110500045244
71306116134011
oct225134444734
956612228651
1020022708700
11854532a445
123a69693824
131b712c8c37
14d7d317708
157c2c5466a
hex4a97249dc

20022708700 has 72 divisors (see below), whose sum is σ = 43842131424. Its totient is φ = 7936992000.

The previous prime is 20022708697. The next prime is 20022708701. The reversal of 20022708700 is 780722002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022708701) 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 23 ways as a sum of consecutive naturals, for example, 5627322 + ... + 5630878.

It is an arithmetic number, because the mean of its divisors is an integer number (608918492).

Almost surely, 220022708700 is an apocalyptic number.

20022708700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022708700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21921065712).

20022708700 is an abundant number, since it is smaller than the sum of its proper divisors (23819422724).

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

20022708700 is a wasteful number, since it uses less digits than its factorization.

20022708700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063 (or 4056 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 20022708700 in words is "twenty billion, twenty-two million, seven hundred eight thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 181 311 362 622 724 905 1244 1555 1810 3110 3557 3620 4525 6220 7114 7775 9050 14228 15550 17785 18100 31100 35570 56291 71140 88925 112582 177850 225164 281455 355700 562910 643817 1106227 1125820 1287634 1407275 2212454 2575268 2814550 3219085 4424908 5531135 5629100 6438170 11062270 12876340 16095425 22124540 27655675 32190850 55311350 64381700 110622700 200227087 400454174 800908348 1001135435 2002270870 4004541740 5005677175 10011354350 20022708700