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10202110220020 = 2254447114707783
BaseRepresentation
bin1001010001110101110100…
…1001111101011011110100
31100010022102121021012222211
42110131131021331123310
52314122410204020040
633410441300303204
72102035542022255
oct224353511753364
940108377235884
1010202110220020
113283766283804
1211892a20a1b04
135900937032a4
14273adb59ab2c
1512a5a879c8ea
hex9475d27d6f4

10202110220020 has 24 divisors (see below), whose sum is σ = 21429249375744. Its totient is φ = 4079926390176.

The previous prime is 10202110220009. The next prime is 10202110220021. The reversal of 10202110220020 is 2002201120201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202110220021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57264952 + ... + 57442831.

It is an arithmetic number, because the mean of its divisors is an integer number (892885390656).

Almost surely, 210202110220020 is an apocalyptic number.

10202110220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202110220020 is an abundant number, since it is smaller than the sum of its proper divisors (11227139155724).

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

10202110220020 is a wasteful number, since it uses less digits than its factorization.

10202110220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114712239 (or 114712237 counting only the distinct ones).

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

Adding to 10202110220020 its reverse (2002201120201), we get a palindrome (12204311340221).

The spelling of 10202110220020 in words is "ten trillion, two hundred two billion, one hundred ten million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 4447 8894 17788 22235 44470 88940 114707783 229415566 458831132 573538915 1147077830 2294155660 510105511001 1020211022002 2040422044004 2550527555005 5101055110010 10202110220020