Search a number
2203020020 = 225110151001
BaseRepresentation
bin1000001101001111…
…0110101011110100
312200112101000100002
42003103312223310
514002433120040
61002334210432
7105410234615
oct20323665364
95615330302
102203020020
11a30602603
12515953a18
1329154b156
1416c825c0c
15cd616a15
hex834f6af4

2203020020 has 12 divisors (see below), whose sum is σ = 4626342084. Its totient is φ = 881208000.

The previous prime is 2203020019. The next prime is 2203020041. The reversal of 2203020020 is 200203022.

Adding to 2203020020 its reverse (200203022), we get a palindrome (2403223042).

It can be written as a sum of positive squares in 2 ways, for example, as 1100381584 + 1102638436 = 33172^2 + 33206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2203019983 and 2203020010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55075481 + ... + 55075520.

It is an arithmetic number, because the mean of its divisors is an integer number (385528507).

Almost surely, 22203020020 is an apocalyptic number.

2203020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203020020 is an abundant number, since it is smaller than the sum of its proper divisors (2423322064).

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

2203020020 is a wasteful number, since it uses less digits than its factorization.

2203020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110151010 (or 110151008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2203020020 is about 46936.3400788770. The cubic root of 2203020020 is about 1301.1862978010.

The spelling of 2203020020 in words is "two billion, two hundred three million, twenty thousand, twenty".