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1020204201 = 32111611697
BaseRepresentation
bin111100110011110…
…001010010101001
32122002200202001210
4330303301102221
54042133013301
6245122303333
734165410162
oct7463612251
92562622053
101020204201
11483973575
122457b7b49
13133492533
14996ca769
155e872ad6
hex3ccf14a9

1020204201 has 8 divisors (see below), whose sum is σ = 1366719904. Its totient is φ = 676912320.

The previous prime is 1020204191. The next prime is 1020204277. The reversal of 1020204201 is 1024020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1020204201 is a prime.

It is a super-2 number, since 2×10202042012 = 2081633223476096802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020204281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805216 + ... + 806481.

It is an arithmetic number, because the mean of its divisors is an integer number (170839988).

Almost surely, 21020204201 is an apocalyptic number.

It is an amenable number.

1020204201 is a deficient number, since it is larger than the sum of its proper divisors (346515703).

1020204201 is a wasteful number, since it uses less digits than its factorization.

1020204201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611911.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1020204201 is about 31940.6355760182. The cubic root of 1020204201 is about 1006.6898793798.

Adding to 1020204201 its reverse (1024020201), we get a palindrome (2044224402).

The spelling of 1020204201 in words is "one billion, twenty million, two hundred four thousand, two hundred one".

Divisors: 1 3 211 633 1611697 4835091 340068067 1020204201