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2020212220012 = 227198942667319
BaseRepresentation
bin11101011001011110000…
…010000010000001101100
321011010112001201000100021
4131121132002002001230
5231044343312020022
64144023411011524
7265645512353140
oct35313602020154
97133461630307
102020212220012
11709849149948
12287644b99ba4
13118674bb447c
146dac9019220
153783c6b87c7
hex1d65e08206c

2020212220012 has 48 divisors (see below), whose sum is σ = 4300865856000. Its totient is φ = 811020380544.

The previous prime is 2020212219979. The next prime is 2020212220043. The reversal of 2020212220012 is 2100222120202.

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 15 ways as a sum of consecutive naturals, for example, 21286312 + ... + 21381007.

It is an arithmetic number, because the mean of its divisors is an integer number (89601372000).

Almost surely, 22020212220012 is an apocalyptic number.

It is an amenable number.

2020212220012 is an abundant number, since it is smaller than the sum of its proper divisors (2280653635988).

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

2020212220012 is a wasteful number, since it uses less digits than its factorization.

2020212220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42667438 (or 42667436 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2020212220012 its reverse (2100222120202), we get a palindrome (4120434340214).

The spelling of 2020212220012 in words is "two trillion, twenty billion, two hundred twelve million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 7 14 19 28 38 76 89 133 178 266 356 532 623 1246 1691 2492 3382 6764 11837 23674 47348 42667319 85334638 170669276 298671233 597342466 810679061 1194684932 1621358122 3242716244 3797391391 5674753427 7594782782 11349506854 15189565564 22699013708 26581739737 53163479474 72150436429 106326958948 144300872858 288601745716 505053055003 1010106110006 2020212220012