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2010100212020 = 225183535476217
BaseRepresentation
bin11101010000000011010…
…011110010000100110100
321010011102100011210010202
4131100003103302010310
5230413141123241040
64135232143340032
7265140104614235
oct35200323620464
97104370153122
102010100212020
1170552a19164a
122856a25b1618
13117722c3a9a4
146d40a05b08c
1537449a83015
hex1d4034f2134

2010100212020 has 24 divisors (see below), whose sum is σ = 4221441217224. Its totient is φ = 803996128256.

The previous prime is 2010100211939. The next prime is 2010100212047. The reversal of 2010100212020 is 202120010102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 224423902756 + 1785676309264 = 473734^2 + 1336292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2010100211992 and 2010100212010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371049 + ... + 3105168.

It is an arithmetic number, because the mean of its divisors is an integer number (175893384051).

Almost surely, 22010100212020 is an apocalyptic number.

2010100212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010100212020 is an abundant number, since it is smaller than the sum of its proper divisors (2211341005204).

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

2010100212020 is a wasteful number, since it uses less digits than its factorization.

2010100212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494579 (or 5494577 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2010100212020 its reverse (202120010102), we get a palindrome (2212220222122).

The spelling of 2010100212020 in words is "two trillion, ten billion, one hundred million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 18353 36706 73412 91765 183530 367060 5476217 10952434 21904868 27381085 54762170 109524340 100505010601 201010021202 402020042404 502525053005 1005050106010 2010100212020