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20011023300 = 2235266703411
BaseRepresentation
bin10010101000101111…
…111111101111000100
31220122121021022101010
4102220233333233010
5311440310221200
613105401402220
71305614614542
oct225057775704
956577238333
1020011023300
118539778a94
123a65799370
131b6ba671b8
14d7b954d92
157c1be7150
hex4a8bffbc4

20011023300 has 36 divisors (see below), whose sum is σ = 57898561616. Its totient is φ = 5336272800.

The previous prime is 20011023287. The next prime is 20011023301. The reversal of 20011023300 is 332011002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20011023301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33351406 + ... + 33352005.

Almost surely, 220011023300 is an apocalyptic number.

20011023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011023300 is an abundant number, since it is smaller than the sum of its proper divisors (37887538316).

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

20011023300 is a wasteful number, since it uses less digits than its factorization.

20011023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66703428 (or 66703421 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20011023300 its reverse (332011002), we get a palindrome (20343034302).

The spelling of 20011023300 in words is "twenty billion, eleven million, twenty-three thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 66703411 133406822 200110233 266813644 333517055 400220466 667034110 800440932 1000551165 1334068220 1667585275 2001102330 3335170550 4002204660 5002755825 6670341100 10005511650 20011023300