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2010121222020 = 223540578257831
BaseRepresentation
bin11101010000000100100…
…011111011011110000100
321010011110210201012102220
4131100010203323132010
5230413212013101040
64135234213532340
7265140451321002
oct35200443733604
97104423635386
102010121222020
1170554003178a
122856a96440b0
131177273b5a42
146d40cb69a72
153744b8332d0
hex1d4048fb784

2010121222020 has 48 divisors (see below), whose sum is σ = 5629727419008. Its totient is φ = 535900135680.

The previous prime is 2010121222007. The next prime is 2010121222051. The reversal of 2010121222020 is 202221210102.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 3885496 + ... + 4372335.

It is an arithmetic number, because the mean of its divisors is an integer number (117285987896).

Almost surely, 22010121222020 is an apocalyptic number.

2010121222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010121222020 is an abundant number, since it is smaller than the sum of its proper divisors (3619606196988).

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

2010121222020 is a wasteful number, since it uses less digits than its factorization.

2010121222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261900 (or 8261898 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2010121222020 its reverse (202221210102), we get a palindrome (2212342432122).

The spelling of 2010121222020 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4057 8114 12171 16228 20285 24342 40570 48684 60855 81140 121710 243420 8257831 16515662 24773493 33031324 41289155 49546986 82578310 99093972 123867465 165156620 247734930 495469860 33502020367 67004040734 100506061101 134008081468 167510101835 201012122202 335020203670 402024244404 502530305505 670040407340 1005060611010 2010121222020