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20102035360 = 2551147487499
BaseRepresentation
bin10010101110001011…
…001011011110100000
31220212221112012110011
4102232023023132200
5312132110112420
613122412214304
71311101324041
oct225613133640
956787465404
1020102035360
118586090770
123a9016a394
131b848819a4
14d89a868c8
157c9bc395a
hex4ae2cb7a0

20102035360 has 192 divisors, whose sum is σ = 53125632000. Its totient is φ = 7125304320.

The previous prime is 20102035333. The next prime is 20102035363. The reversal of 20102035360 is 6353020102.

It is a super-2 number, since 2×201020353602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20102035363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40284391 + ... + 40284889.

It is an arithmetic number, because the mean of its divisors is an integer number (276696000).

Almost surely, 220102035360 is an apocalyptic number.

20102035360 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 20102035360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26562816000).

20102035360 is an abundant number, since it is smaller than the sum of its proper divisors (33023596640).

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

20102035360 is a wasteful number, since it uses less digits than its factorization.

20102035360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20102035360 its reverse (6353020102), we get a palindrome (26455055462).

The spelling of 20102035360 in words is "twenty billion, one hundred two million, thirty-five thousand, three hundred sixty".