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2040010220 = 225294338123
BaseRepresentation
bin111100110011000…
…0001010111101100
312021011122020221002
41321212001113230
513134220311340
6534232255432
7101360541443
oct17146012754
95234566832
102040010220
11957594966
1248b241578
13266845751
14154d11d5a
15be167715
hex799815ec

2040010220 has 48 divisors (see below), whose sum is σ = 4442528160. Its totient is φ = 785949696.

The previous prime is 2040010187. The next prime is 2040010229. The reversal of 2040010220 is 220100402.

It is not an unprimeable number, because it can be changed into a prime (2040010229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247079 + ... + 255201.

It is an arithmetic number, because the mean of its divisors is an integer number (92552670).

Almost surely, 22040010220 is an apocalyptic number.

2040010220 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 2040010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221264080).

2040010220 is an abundant number, since it is smaller than the sum of its proper divisors (2402517940).

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

2040010220 is a wasteful number, since it uses less digits than its factorization.

2040010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2040010220 is about 45166.4722997048. The cubic root of 2040010220 is about 1268.2672589934.

Adding to 2040010220 its reverse (220100402), we get a palindrome (2260110622).

The spelling of 2040010220 in words is "two billion, forty million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 433 580 866 1732 2165 4330 8123 8660 12557 16246 25114 32492 40615 50228 62785 81230 125570 162460 235567 251140 471134 942268 1177835 2355670 3517259 4711340 7034518 14069036 17586295 35172590 70345180 102000511 204001022 408002044 510002555 1020005110 2040010220