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20203140120 = 2335168359501
BaseRepresentation
bin10010110100001100…
…110111010000011000
31221010222202212002220
4102310030313100120
5312334000440440
613140423224040
71313436600102
oct226414672030
957128685086
1020203140120
118628167219
123ab9ba8020
131b9c7c12a7
14d99284572
157d39e58d0
hex4b4337418

20203140120 has 32 divisors (see below), whose sum is σ = 60609420720. Its totient is φ = 5387504000.

The previous prime is 20203140109. The next prime is 20203140193. The reversal of 20203140120 is 2104130202.

It is a super-2 number, since 2×202031401202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20203140120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84179631 + ... + 84179870.

Almost surely, 220203140120 is an apocalyptic number.

20203140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203140120 is an abundant number, since it is smaller than the sum of its proper divisors (40406280600).

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

20203140120 is a wasteful number, since it uses less digits than its factorization.

20203140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168359515 (or 168359511 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20203140120 its reverse (2104130202), we get a palindrome (22307270322).

The spelling of 20203140120 in words is "twenty billion, two hundred three million, one hundred forty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 168359501 336719002 505078503 673438004 841797505 1010157006 1346876008 1683595010 2020314012 2525392515 3367190020 4040628024 5050785030 6734380040 10101570060 20203140120