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2020100202 = 233193119373
BaseRepresentation
bin111100001101000…
…0100100001101010
312012210011201112000
41320122010201222
513114121201302
6532241431430
7101026365651
oct17032044152
95183151460
102020100202
119473261aa
1248463b576
13262694283
1415240c198
15bc53331c
hex7868486a

2020100202 has 32 divisors (see below), whose sum is σ = 4491668160. Its totient is φ = 672983280.

The previous prime is 2020100177. The next prime is 2020100207. The reversal of 2020100202 is 2020010202.

It is a super-2 number, since 2×20201002022 = 8161609652240881608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2020100207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94588 + ... + 113960.

It is an arithmetic number, because the mean of its divisors is an integer number (140364630).

Almost surely, 22020100202 is an apocalyptic number.

2020100202 is an abundant number, since it is smaller than the sum of its proper divisors (2471567958).

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

2020100202 is a wasteful number, since it uses less digits than its factorization.

2020100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21315 (or 21309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020100202 is about 44945.5248272840. The cubic root of 2020100202 is about 1264.1277665038.

Adding to 2020100202 its reverse (2020010202), we get a palindrome (4040110404).

Subtracting from 2020100202 its reverse (2020010202), we obtain a square (90000 = 3002).

The spelling of 2020100202 in words is "two billion, twenty million, one hundred thousand, two hundred two".