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2020212202220 = 2252341351106207
BaseRepresentation
bin11101011001011110000…
…001111101101011101100
321011010112001200002221022
4131121132001331223230
5231044343310432340
64144023410353312
7265645512250232
oct35313601755354
97133461602838
102020212202220
11709849137543
12287644b8b838
13118674ba9344
146dac9012952
153783c6b33b5
hex1d65e07daec

2020212202220 has 48 divisors (see below), whose sum is σ = 4427048521728. Its totient is φ = 772924785600.

The previous prime is 2020212202213. The next prime is 2020212202223. The reversal of 2020212202220 is 222022120202.

It is not an unprimeable number, because it can be changed into a prime (2020212202223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18968357 + ... + 19074563.

It is an arithmetic number, because the mean of its divisors is an integer number (92230177536).

Almost surely, 22020212202220 is an apocalyptic number.

2020212202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020212202220 is an abundant number, since it is smaller than the sum of its proper divisors (2406836319508).

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

2020212202220 is a wasteful number, since it uses less digits than its factorization.

2020212202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147590 (or 147588 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2020212202220 its reverse (222022120202), we get a palindrome (2242234322422).

The spelling of 2020212202220 in words is "two trillion, twenty billion, two hundred twelve million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 41351 82702 106207 165404 206755 212414 413510 424828 531035 827020 951073 1062070 1902146 2124140 2442761 3804292 4755365 4885522 9510730 9771044 12213805 19021460 24427610 48855220 4391765657 8783531314 17567062628 21958828285 43917656570 87835313140 101010610111 202021220222 404042440444 505053050555 1010106101110 2020212202220