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20201440301 = 737837191307
BaseRepresentation
bin10010110100000110…
…011000010000101101
31221010212120111101122
4102310012120100231
5312333032042201
613140322550325
71313416260260
oct226406302055
957125514348
1020201440301
118627206109
123ab95083a5
131b9c347693
14d98d60cd7
157d37abe1b
hex4b419842d

20201440301 has 32 divisors (see below), whose sum is σ = 24048783360. Its totient is φ = 16608684096.

The previous prime is 20201440277. The next prime is 20201440309. The reversal of 20201440301 is 10304410202.

It is a cyclic number.

It is not a de Polignac number, because 20201440301 - 230 = 19127698477 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201440301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201440309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15455690 + ... + 15456996.

It is an arithmetic number, because the mean of its divisors is an integer number (751524480).

Almost surely, 220201440301 is an apocalyptic number.

It is an amenable number.

20201440301 is a deficient number, since it is larger than the sum of its proper divisors (3847343059).

20201440301 is a wasteful number, since it uses less digits than its factorization.

20201440301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20201440301 its reverse (10304410202), we get a palindrome (30505850503).

The spelling of 20201440301 in words is "twenty billion, two hundred one million, four hundred forty thousand, three hundred one".

Divisors: 1 7 37 83 259 581 719 1307 3071 5033 9149 21497 26603 48359 59677 108481 186221 338513 417739 759367 939733 2208049 4013797 6578131 15456343 28096579 34770121 77997839 243390847 545984873 2885920043 20201440301