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1203202303220 = 22560160115161
BaseRepresentation
bin10001100000100100011…
…100100010010011110100
311021000200020101222011102
4101200210130202103310
5124203124242200340
62320424333025232
7152633321555021
oct21404434422364
94230606358142
101203202303220
11424303372985
12175232025218
13895ccb81998
1442341952548
1521470de1215
hex118247224f4

1203202303220 has 12 divisors (see below), whose sum is σ = 2526724836804. Its totient is φ = 481280921280.

The previous prime is 1203202303211. The next prime is 1203202303291. The reversal of 1203202303220 is 223032023021.

It can be written as a sum of positive squares in 2 ways, for example, as 235599568996 + 967602734224 = 485386^2 + 983668^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 60160115161 = 1203202303220 / (1 + 2 + 0 + 3 + 2 + 0 + 2 + 3 + 0 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1203202303192 and 1203202303201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30080057561 + ... + 30080057600.

It is an arithmetic number, because the mean of its divisors is an integer number (210560403067).

Almost surely, 21203202303220 is an apocalyptic number.

1203202303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203202303220 is an abundant number, since it is smaller than the sum of its proper divisors (1323522533584).

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

1203202303220 is a wasteful number, since it uses less digits than its factorization.

1203202303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60160115170 (or 60160115168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1203202303220 its reverse (223032023021), we get a palindrome (1426234326241).

The spelling of 1203202303220 in words is "one trillion, two hundred three billion, two hundred two million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 60160115161 120320230322 240640460644 300800575805 601601151610 1203202303220