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10020210200020 = 225501010510001
BaseRepresentation
bin1001000111010000001100…
…0100011100110111010100
31022110220220200021210022001
42101310003010130313110
52303132342302400040
633151115423445044
72052636102250246
oct221640304346724
938426820253261
1010020210200020
113213602482469
121159b98156784
13578b9524c067
14268da32d0096
151259ae38059a
hex91d0311cdd4

10020210200020 has 12 divisors (see below), whose sum is σ = 21042441420084. Its totient is φ = 4008084080000.

The previous prime is 10020210200003. The next prime is 10020210200057. The reversal of 10020210200020 is 2000201202001.

It can be written as a sum of positive squares in 2 ways, for example, as 1305233131024 + 8714977068996 = 1142468^2 + 2952114^2 .

It is a super-2 number, since 2×100202102000202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250505254981 + ... + 250505255020.

It is an arithmetic number, because the mean of its divisors is an integer number (1753536785007).

Almost surely, 210020210200020 is an apocalyptic number.

10020210200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020210200020 is an abundant number, since it is smaller than the sum of its proper divisors (11022231220064).

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

10020210200020 is a wasteful number, since it uses less digits than its factorization.

10020210200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501010510010 (or 501010510008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10020210200020 its reverse (2000201202001), we get a palindrome (12020411402021).

The spelling of 10020210200020 in words is "ten trillion, twenty billion, two hundred ten million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 501010510001 1002021020002 2004042040004 2505052550005 5010105100010 10020210200020