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20244470000 = 24545473701
BaseRepresentation
bin10010110110101010…
…100001100011110000
31221020212112122001012
4102312222201203300
5312430041020000
613144501130052
71314451104266
oct226652414360
957225478035
1020244470000
118649525a47
123b0b9b9928
131ba8232241
14da0962436
157d745b735
hex4b6aa18f0

20244470000 has 100 divisors (see below), whose sum is σ = 49116758856. Its totient is φ = 8080800000.

The previous prime is 20244469963. The next prime is 20244470003. The reversal of 20244470000 is 7444202.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244470003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5468150 + ... + 5471850.

Almost surely, 220244470000 is an apocalyptic number.

20244470000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20244470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24558379428).

20244470000 is an abundant number, since it is smaller than the sum of its proper divisors (28872288856).

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

20244470000 is an equidigital number, since it uses as much as digits as its factorization.

20244470000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The spelling of 20244470000 in words is "twenty billion, two hundred forty-four million, four hundred seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 547 625 1000 1094 1250 2000 2188 2500 2735 3701 4376 5000 5470 7402 8752 10000 10940 13675 14804 18505 21880 27350 29608 37010 43760 54700 59216 68375 74020 92525 109400 136750 148040 185050 218800 273500 296080 341875 370100 462625 547000 683750 740200 925250 1094000 1367500 1480400 1850500 2024447 2313125 2735000 3701000 4048894 4626250 5470000 7402000 8097788 9252500 10122235 16195576 18505000 20244470 32391152 37010000 40488940 50611175 80977880 101222350 161955760 202444700 253055875 404889400 506111750 809778800 1012223500 1265279375 2024447000 2530558750 4048894000 5061117500 10122235000 20244470000