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2020200210021 = 373111357722783
BaseRepresentation
bin11101011001011101010…
…100001101111001100101
321011010111020002211201210
4131121131110031321211
5231044332223210041
64144022301342033
7265645305312450
oct35313524157145
97133436084653
102020200210021
11709842396634
12287640b67919
1311867256aa76
146dac75b0497
153783b5e5016
hex1d65d50de65

2020200210021 has 32 divisors (see below), whose sum is σ = 3088661741568. Its totient is φ = 1150552967040.

The previous prime is 2020200209981. The next prime is 2020200210023. The reversal of 2020200210021 is 1200120020202.

It is not a de Polignac number, because 2020200210021 - 223 = 2020191821413 is a prime.

2020200210021 is a modest number, since divided by 210021 gives 20202 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2020200209979 and 2020200210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020200210023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88659996 + ... + 88682778.

It is an arithmetic number, because the mean of its divisors is an integer number (96520679424).

Almost surely, 22020200210021 is an apocalyptic number.

2020200210021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020200210021 is a deficient number, since it is larger than the sum of its proper divisors (1068461531547).

2020200210021 is a wasteful number, since it uses less digits than its factorization.

2020200210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36681.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2020200210021 its reverse (1200120020202), we get a palindrome (3220320230223).

The spelling of 2020200210021 in words is "two trillion, twenty billion, two hundred million, two hundred ten thousand, twenty-one".

Divisors: 1 3 7 21 311 933 2177 6531 13577 22783 40731 68349 95039 159481 285117 478443 4222447 7085513 12667341 21256539 29557129 49598591 88671387 148795773 309324791 927974373 2165273537 6495820611 96200010001 288600030003 673400070007 2020200210021