Search a number
-
+
20244020000 = 25541012201
BaseRepresentation
bin10010110110101000…
…110011101100100000
31221020211200202202112
4102312220303230200
5312424432120000
613144443334452
71314444221321
oct226650635440
957224622675
1020244020000
118649248946
123b0b821428
131ba8105479
14da0886448
157d73bd235
hex4b6a33b20

20244020000 has 60 divisors (see below), whose sum is σ = 49803375006. Its totient is φ = 8097600000.

The previous prime is 20244019921. The next prime is 20244020033. The reversal of 20244020000 is 2044202.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 781537936 + 19462482064 = 27956^2 + 139508^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 486101 + ... + 526100.

Almost surely, 220244020000 is an apocalyptic number.

20244020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244020000 is an abundant number, since it is smaller than the sum of its proper divisors (29559355006).

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

20244020000 is an equidigital number, since it uses as much as digits as its factorization.

20244020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012231 (or 1012208 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20244020000 its reverse (2044202), we get a palindrome (20246064202).

The spelling of 20244020000 in words is "twenty billion, two hundred forty-four million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1012201 2024402 4048804 5061005 8097608 10122010 16195216 20244020 25305025 32390432 40488040 50610050 80976080 101220100 126525125 161952160 202440200 253050250 404880400 506100500 632625625 809760800 1012201000 1265251250 2024402000 2530502500 4048804000 5061005000 10122010000 20244020000