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2020130025 = 352118122807
BaseRepresentation
bin111100001101000…
…1011110011101001
312012210020020102120
41320122023303221
513114123130100
6532242221453
7101026551624
oct17032136351
95183206376
102020130025
11947346651
12484654889
132626a4a14
14152418dbb
15bc53c0a0
hex7868bce9

2020130025 has 24 divisors (see below), whose sum is σ = 3342922944. Its totient is φ = 1076443200.

The previous prime is 2020130023. The next prime is 2020130113. The reversal of 2020130025 is 5200310202.

It is not a de Polignac number, because 2020130025 - 21 = 2020130023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020129986 and 2020130013.

It is not an unprimeable number, because it can be changed into a prime (2020130023) 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 23 ways as a sum of consecutive naturals, for example, 77172 + ... + 99978.

It is an arithmetic number, because the mean of its divisors is an integer number (139288456).

Almost surely, 22020130025 is an apocalyptic number.

2020130025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020130025 is a deficient number, since it is larger than the sum of its proper divisors (1322792919).

2020130025 is a wasteful number, since it uses less digits than its factorization.

2020130025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24001 (or 23996 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2020130025 is about 44945.8565943514. The cubic root of 2020130025 is about 1264.1339873003.

Adding to 2020130025 its reverse (5200310202), we get a palindrome (7220440227).

The spelling of 2020130025 in words is "two billion, twenty million, one hundred thirty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 1181 3543 5905 17715 22807 29525 68421 88575 114035 342105 570175 1710525 26935067 80805201 134675335 404026005 673376675 2020130025