Search a number
-
+
20203306025250 = 235382007328481
BaseRepresentation
bin1001001011111111100101…
…11000010000000100100010
32122112102021010121200012210
410211333302320100010202
510122002332320302000
6110545134243502550
74153432520514315
oct445776270200442
978472233550183
1020203306025250
11648a1a0608a07
122323652387a56
13b3721851486a
144dbbb944697c
1525080369d350
hex125ff2e10122

20203306025250 has 64 divisors (see below), whose sum is σ = 50428220274432. Its totient is φ = 5387466176000.

The previous prime is 20203306025237. The next prime is 20203306025251. The reversal of 20203306025250 is 5252060330202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20203306025251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61341010 + ... + 61669490.

It is an arithmetic number, because the mean of its divisors is an integer number (787940941788).

Almost surely, 220203306025250 is an apocalyptic number.

20203306025250 is an abundant number, since it is smaller than the sum of its proper divisors (30224914249182).

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

20203306025250 is a wasteful number, since it uses less digits than its factorization.

20203306025250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410508 (or 410498 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 20203306025250 its reverse (5252060330202), we get a palindrome (25455366355452).

The spelling of 20203306025250 in words is "twenty trillion, two hundred three billion, three hundred six million, twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 82007 164014 246021 328481 410035 492042 656962 820070 985443 1230105 1642405 1970886 2050175 2460210 3284810 4100350 4927215 6150525 8212025 9854430 10250875 12301050 16424050 20501750 24636075 30752625 41060125 49272150 61505250 82120250 123180375 246360750 26937741367 53875482734 80813224101 134688706835 161626448202 269377413670 404066120505 673443534175 808132241010 1346887068350 2020330602525 3367217670875 4040661205050 6734435341750 10101653012625 20203306025250