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20620210112 = 2617229371039
BaseRepresentation
bin10011001101000011…
…110110111111000000
31222020001120012120122
4103031003312333000
5314212233210422
613250042355412
71326662615435
oct231503667700
958201505518
1020620210112
118821631067
123bb57bbb68
131c3802b478
14dd880db8c
1580a42bd42
hex4cd0f6fc0

20620210112 has 168 divisors, whose sum is σ = 46225358400. Its totient is φ = 9107030016.

The previous prime is 20620210111. The next prime is 20620210147. The reversal of 20620210112 is 21101202602.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620210111) 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, 19845689 + ... + 19846727.

Almost surely, 220620210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20620210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23112679200).

20620210112 is an abundant number, since it is smaller than the sum of its proper divisors (25605148288).

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

20620210112 is a wasteful number, since it uses less digits than its factorization.

20620210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20620210112 its reverse (21101202602), we get a palindrome (41721412714).

The spelling of 20620210112 in words is "twenty billion, six hundred twenty million, two hundred ten thousand, one hundred twelve".