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20200221301 = 134021386437
BaseRepresentation
bin10010110100000001…
…101110101001110101
31221010210021120020111
4102310001232221311
5312332224040201
613140240503021
71313403022321
oct226401565165
957123246214
1020200221301
118626553277
123ab901aa71
131b9c00b890
14d98b24981
157d361ab51
hex4b406ea75

20200221301 has 8 divisors (see below), whose sum is σ = 21759550904. Its totient is φ = 18641672640.

The previous prime is 20200221257. The next prime is 20200221313. The reversal of 20200221301 is 10312200202.

It can be written as a sum of positive squares in 4 ways, for example, as 1602080676 + 18598140625 = 40026^2 + 136375^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20200221301 - 219 = 20199697013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200221361) 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 7 ways as a sum of consecutive naturals, for example, 140946 + ... + 245491.

It is an arithmetic number, because the mean of its divisors is an integer number (2719943863).

Almost surely, 220200221301 is an apocalyptic number.

It is an amenable number.

20200221301 is a deficient number, since it is larger than the sum of its proper divisors (1559329603).

20200221301 is a wasteful number, since it uses less digits than its factorization.

20200221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390471.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20200221301 its reverse (10312200202), we get a palindrome (30512421503).

The spelling of 20200221301 in words is "twenty billion, two hundred million, two hundred twenty-one thousand, three hundred one".

Divisors: 1 13 4021 52273 386437 5023681 1553863177 20200221301