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20202044200 = 2352137770017
BaseRepresentation
bin10010110100001000…
…101011101100101000
31221010220201011210021
4102310020223230220
5312333210403300
613140343530224
71313424354022
oct226410535450
957126634707
1020202044200
1186275888a8
123ab9759974
131b9c4c9510
14d9907b012
157d387ad1a
hex4b422bb28

20202044200 has 48 divisors (see below), whose sum is σ = 50582817180. Its totient is φ = 7459215360.

The previous prime is 20202044189. The next prime is 20202044201. The reversal of 20202044200 is 244020202.

It can be written as a sum of positive squares in 6 ways, for example, as 8604046564 + 11597997636 = 92758^2 + 107694^2 .

It is not an unprimeable number, because it can be changed into a prime (20202044201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3882409 + ... + 3887608.

Almost surely, 220202044200 is an apocalyptic number.

20202044200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202044200 is an abundant number, since it is smaller than the sum of its proper divisors (30380772980).

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

20202044200 is a wasteful number, since it uses less digits than its factorization.

20202044200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770046 (or 7770037 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20202044200 its reverse (244020202), we get a palindrome (20446064402).

The spelling of 20202044200 in words is "twenty billion, two hundred two million, forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 650 1300 2600 7770017 15540034 31080068 38850085 62160136 77700170 101010221 155400340 194250425 202020442 310800680 388500850 404040884 505051105 777001700 808081768 1010102210 1554003400 2020204420 2525255525 4040408840 5050511050 10101022100 20202044200