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10212020201020 = 2251154318546911
BaseRepresentation
bin1001010010011010101111…
…0101100010011000111100
31100011021000020122102021011
42110212223311202120330
52314303204132413040
633415200505445004
72102536244332201
oct224465365423074
940137006572234
1010212020201020
1132879911a4150
12118b1a8aa0764
13590cb2862c81
1427439b7a9ca8
1512a9887c83ea
hex949abd6263c

10212020201020 has 48 divisors (see below), whose sum is σ = 23399120295936. Its totient is φ = 3712777704000.

The previous prime is 10212020200997. The next prime is 10212020201077. The reversal of 10212020201020 is 2010202021201.

It is a happy number.

10212020201020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102120202010202 (a number of 27 digits) contains 22 as substring.

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, 3078636 + ... + 5468275.

It is an arithmetic number, because the mean of its divisors is an integer number (487481672832).

Almost surely, 210212020201020 is an apocalyptic number.

10212020201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212020201020 is an abundant number, since it is smaller than the sum of its proper divisors (13187100094916).

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

10212020201020 is a wasteful number, since it uses less digits than its factorization.

10212020201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552362 (or 8552360 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10212020201020 its reverse (2010202021201), we get a palindrome (12222222222221).

The spelling of 10212020201020 in words is "ten trillion, two hundred twelve billion, twenty million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5431 10862 21724 27155 54310 59741 108620 119482 238964 298705 597410 1194820 8546911 17093822 34187644 42734555 85469110 94016021 170938220 188032042 376064084 470080105 940160210 1880320420 46418273641 92836547282 185673094564 232091368205 464182736410 510601010051 928365472820 1021202020102 2042404040204 2553005050255 5106010100510 10212020201020