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201404121020 = 22599112018461
BaseRepresentation
bin1011101110010010011…
…1101111111110111100
3201020212012101102102122
42323210213233332330
511244433423333040
6232305045142112
720356660532204
oct2734447577674
9636765342378
10201404121020
11784624150a3
12330499ba938
1315cb91b160b
149a68787404
15538b8801b5
hex2ee49effbc

201404121020 has 48 divisors (see below), whose sum is σ = 423778043136. Its totient is φ = 80403840000.

The previous prime is 201404120959. The next prime is 201404121053. The reversal of 201404121020 is 20121404102.

It is a self number, because there is not a number n which added to its sum of digits gives 201404121020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23799590 + ... + 23808050.

It is an arithmetic number, because the mean of its divisors is an integer number (8828709232).

Almost surely, 2201404121020 is an apocalyptic number.

201404121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201404121020 is an abundant number, since it is smaller than the sum of its proper divisors (222373922116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201404121020 is a wasteful number, since it uses less digits than its factorization.

201404121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10662 (or 10660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201404121020 its reverse (20121404102), we get a palindrome (221525525122).

The spelling of 201404121020 in words is "two hundred one billion, four hundred four million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 991 1201 1982 2402 3964 4804 4955 6005 8461 9910 12010 16922 19820 24020 33844 42305 84610 169220 1190191 2380382 4760764 5950955 8384851 10161661 11901910 16769702 20323322 23803820 33539404 40646644 41924255 50808305 83848510 101616610 167697020 203233220 10070206051 20140412102 40280824204 50351030255 100702060510 201404121020