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2020210122220 = 225709228162459
BaseRepresentation
bin11101011001011101111…
…010000001110111101100
321011010111220202102201021
4131121131322001313230
5231044342242402340
64144023254023524
7265645455465133
oct35313572016754
97133456672637
102020210122220
11709847a46834
12287644347ba4
1311867462b684
146dac8a3091a
153783c401e4a
hex1d65de81dec

2020210122220 has 48 divisors (see below), whose sum is σ = 4250355530400. Its totient is φ = 806577615360.

The previous prime is 2020210122187. The next prime is 2020210122223. The reversal of 2020210122220 is 222210120202.

It is a junction number, because it is equal to n+sod(n) for n = 2020210122194 and 2020210122203.

It is not an unprimeable number, because it can be changed into a prime (2020210122223) 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, 32313351 + ... + 32375809.

It is an arithmetic number, because the mean of its divisors is an integer number (88549073550).

Almost surely, 22020210122220 is an apocalyptic number.

2020210122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020210122220 is an abundant number, since it is smaller than the sum of its proper divisors (2230145408180).

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

2020210122220 is a wasteful number, since it uses less digits than its factorization.

2020210122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65458 (or 65456 counting only the distinct ones).

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

Adding to 2020210122220 its reverse (222210120202), we get a palindrome (2242420242422).

The spelling of 2020210122220 in words is "two trillion, twenty billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 709 1418 2281 2836 3545 4562 7090 9124 11405 14180 22810 45620 62459 124918 249836 312295 624590 1249180 1617229 3234458 6468916 8086145 16172290 32344580 44283431 88566862 142468979 177133724 221417155 284937958 442834310 569875916 712344895 885668620 1424689790 2849379580 101010506111 202021012222 404042024444 505052530555 1010105061110 2020210122220