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20110202112 = 28372111337101
BaseRepresentation
bin10010101110101010…
…010101010100000000
31220220111220010010110
4102232222111110000
5312141202431422
613123303231320
71311230616600
oct225652252400
956814803113
1020110202112
11858a759550
123a92a48540
131b86480ca0
14d8abb0c00
157ca78860c
hex4aea95500

20110202112 has 864 divisors, whose sum is σ = 75866281344. Its totient is φ = 4644864000.

The previous prime is 20110202081. The next prime is 20110202113. The reversal of 20110202112 is 21120201102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110202113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 199110862 + ... + 199110962.

It is an arithmetic number, because the mean of its divisors is an integer number (87808196).

Almost surely, 220110202112 is an apocalyptic number.

20110202112 is a gapful number since it is divisible by the number (22) 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 20110202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37933140672).

20110202112 is an abundant number, since it is smaller than the sum of its proper divisors (55756079232).

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

20110202112 is a wasteful number, since it uses less digits than its factorization.

20110202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110202112 its reverse (21120201102), we get a palindrome (41230403214).

It can be divided in two parts, 20110 and 202112, that added together give a palindrome (222222).

The spelling of 20110202112 in words is "twenty billion, one hundred ten million, two hundred two thousand, one hundred twelve".