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2020102425 = 325211816203
BaseRepresentation
bin111100001101000…
…0101000100011001
312012210011211120100
41320122011010121
513114121234200
6532241450013
7101026405305
oct17032050431
95183154510
102020102425
11947327940
12484640909
132626952a3
1415240cd05
15bc533d00
hex78685119

2020102425 has 36 divisors (see below), whose sum is σ = 3947162544. Its totient is φ = 979442400.

The previous prime is 2020102423. The next prime is 2020102433. The reversal of 2020102425 is 5242010202.

2020102425 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2020102425 - 21 = 2020102423 is a prime.

It is a super-3 number, since 3×20201024253 (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020102398 and 2020102407.

It is not an unprimeable number, because it can be changed into a prime (2020102423) 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 35 ways as a sum of consecutive naturals, for example, 405627 + ... + 410576.

It is an arithmetic number, because the mean of its divisors is an integer number (109643404).

Almost surely, 22020102425 is an apocalyptic number.

2020102425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020102425 is a deficient number, since it is larger than the sum of its proper divisors (1927060119).

2020102425 is a wasteful number, since it uses less digits than its factorization.

2020102425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816230 (or 816222 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2020102425 is about 44945.5495572142. The cubic root of 2020102425 is about 1264.1282302028.

Adding to 2020102425 its reverse (5242010202), we get a palindrome (7262112627).

The spelling of 2020102425 in words is "two billion, twenty million, one hundred two thousand, four hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 165 225 275 495 825 2475 816203 2448609 4081015 7345827 8978233 12243045 20405075 26934699 36729135 44891165 61215225 80804097 134673495 183645675 224455825 404020485 673367475 2020102425