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10020020200 = 235250100101
BaseRepresentation
bin10010101010011110…
…10101111111101000
3221212022102202200021
421111033111333220
5131010111121300
64334135450224
7503206523611
oct112517257750
927768382607
1010020020200
114282049533
121b37826974
13c38ba9b48
146b0a94c08
153d9a14d1a
hex2553d5fe8

10020020200 has 24 divisors (see below), whose sum is σ = 23296547430. Its totient is φ = 4008008000.

The previous prime is 10020020161. The next prime is 10020020203. The reversal of 10020020200 is 202002001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8292287844 + 1727732356 = 91062^2 + 41566^2 .

It is not an unprimeable number, because it can be changed into a prime (10020020203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25049851 + ... + 25050250.

Almost surely, 210020020200 is an apocalyptic number.

10020020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020020200 is an abundant number, since it is smaller than the sum of its proper divisors (13276527230).

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

10020020200 is a wasteful number, since it uses less digits than its factorization.

10020020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50100117 (or 50100108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 10020020200 its reverse (202002001), we get a palindrome (10222022201).

The spelling of 10020020200 in words is "ten billion, twenty million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 50100101 100200202 200400404 250500505 400800808 501001010 1002002020 1252502525 2004004040 2505005050 5010010100 10020020200