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2040240220 = 225593172027
BaseRepresentation
bin111100110011011…
…1001100001011100
312021012001221102121
41321212321201130
513134300141340
6534241232324
7101362520134
oct17146714134
95235057377
102040240220
11957731747
1248b3326a4
132668c6345
14154d71ac4
15be1b094a
hex799b985c

2040240220 has 24 divisors (see below), whose sum is σ = 4291754544. Its totient is φ = 814715136.

The previous prime is 2040240211. The next prime is 2040240229. The reversal of 2040240220 is 220420402.

It is an interprime number because it is at equal distance from previous prime (2040240211) and next prime (2040240229).

It is a junction number, because it is equal to n+sod(n) for n = 2040240194 and 2040240203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040240229) 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 7 ways as a sum of consecutive naturals, for example, 74154 + ... + 97873.

It is an arithmetic number, because the mean of its divisors is an integer number (178823106).

Almost surely, 22040240220 is an apocalyptic number.

2040240220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040240220 is an abundant number, since it is smaller than the sum of its proper divisors (2251514324).

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

2040240220 is a wasteful number, since it uses less digits than its factorization.

2040240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172629 (or 172627 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2040240220 is about 45169.0183643612. The cubic root of 2040240220 is about 1268.3149206022.

Adding to 2040240220 its reverse (220420402), we get a palindrome (2260660622).

The spelling of 2040240220 in words is "two billion, forty million, two hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 593 1186 2372 2965 5930 11860 172027 344054 688108 860135 1720270 3440540 102012011 204024022 408048044 510060055 1020120110 2040240220