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2020121021210 = 25202012102121
BaseRepresentation
bin11101011001011000100…
…110001000101100011010
321011010021201002122002212
4131121120212020230122
5231044201440134320
64144010352155122
7265643324235335
oct35313046105432
97133251078085
102020121021210
11709801719936
1228761a538aa2
1311865c032996
146dabac7961c
15378346a19c5
hex1d658988b1a

2020121021210 has 8 divisors (see below), whose sum is σ = 3636217838196. Its totient is φ = 808048408480.

The previous prime is 2020121021201. The next prime is 2020121021231. The reversal of 2020121021210 is 121201210202.

It can be written as a sum of positive squares in 2 ways, for example, as 1994622360721 + 25498660489 = 1412311^2 + 159683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 101006051051 + ... + 101006051070.

Almost surely, 22020121021210 is an apocalyptic number.

2020121021210 is a deficient number, since it is larger than the sum of its proper divisors (1616096816986).

2020121021210 is a wasteful number, since it uses less digits than its factorization.

2020121021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202012102128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2020121021210 its reverse (121201210202), we get a palindrome (2141322231412).

The spelling of 2020121021210 in words is "two trillion, twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 202012102121 404024204242 1010060510605 2020121021210