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20032230300 = 2235273391097
BaseRepresentation
bin10010101010000000…
…111001001110011100
31220201002011201220120
4102222000321032130
5312011222332200
613111440114540
71306263101535
oct225200711634
956632151816
1020032230300
11854a743135
123a70905a50
131b73280b14
14d806b568c
157c39d59a0
hex4aa03939c

20032230300 has 72 divisors (see below), whose sum is σ = 58039628976. Its totient is φ = 5334581760.

The previous prime is 20032230289. The next prime is 20032230301. The reversal of 20032230300 is 303223002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20032230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032230301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174352 + ... + 265448.

It is an arithmetic number, because the mean of its divisors is an integer number (806105958).

Almost surely, 220032230300 is an apocalyptic number.

20032230300 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 20032230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29019814488).

20032230300 is an abundant number, since it is smaller than the sum of its proper divisors (38007398676).

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

20032230300 is a wasteful number, since it uses less digits than its factorization.

20032230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91847 (or 91840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20032230300 its reverse (303223002), we get a palindrome (20335453302).

The spelling of 20032230300 in words is "twenty billion, thirty-two million, two hundred thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 733 1466 2199 2932 3665 4398 7330 8796 10995 14660 18325 21990 36650 43980 54975 73300 91097 109950 182194 219900 273291 364388 455485 546582 910970 1093164 1366455 1821940 2277425 2732910 4554850 5465820 6832275 9109700 13664550 27329100 66774101 133548202 200322303 267096404 333870505 400644606 667741010 801289212 1001611515 1335482020 1669352525 2003223030 3338705050 4006446060 5008057575 6677410100 10016115150 20032230300