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20200302242 = 210100151121
BaseRepresentation
bin10010110100000010…
…000010011010100010
31221010210102200021022
4102310002002122202
5312332234132432
613140242325442
71313403510311
oct226402023242
957123380238
1020200302242
1186265a906a
123ab9059882
131b9c039683
14d98b46278
157d3634b12
hex4b40826a2

20200302242 has 4 divisors (see below), whose sum is σ = 30300453366. Its totient is φ = 10100151120.

The previous prime is 20200302211. The next prime is 20200302247. The reversal of 20200302242 is 24220300202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13595326801 + 6604975441 = 116599^2 + 81271^2 .

It is a super-3 number, since 3×202003022423 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20200302242.

It is not an unprimeable number, because it can be changed into a prime (20200302247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050075559 + ... + 5050075562.

Almost surely, 220200302242 is an apocalyptic number.

20200302242 is a deficient number, since it is larger than the sum of its proper divisors (10100151124).

20200302242 is a wasteful number, since it uses less digits than its factorization.

20200302242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100151123.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20200302242 its reverse (24220300202), we get a palindrome (44420602444).

The spelling of 20200302242 in words is "twenty billion, two hundred million, three hundred two thousand, two hundred forty-two".

Divisors: 1 2 10100151121 20200302242