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2020220001222 = 232107731597469
BaseRepresentation
bin11101011001011110011…
…111101101101111000110
321011010112121100100011020
4131121132133231233012
5231044402310014342
64144024245452010
7265645635451653
oct35313637555706
97133477310136
102020220001222
11709852583aa5
12287647711006
131186766aa137
146daca082c2a
153783d2040ec
hex1d65e7edbc6

2020220001222 has 16 divisors (see below), whose sum is σ = 4040461701360. Its totient is φ = 673403050592.

The previous prime is 2020220001209. The next prime is 2020220001223. The reversal of 2020220001222 is 2221000220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020220001223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465904 + ... + 2063372.

It is an arithmetic number, because the mean of its divisors is an integer number (252528856335).

Almost surely, 22020220001222 is an apocalyptic number.

2020220001222 is an abundant number, since it is smaller than the sum of its proper divisors (2020241700138).

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

2020220001222 is a wasteful number, since it uses less digits than its factorization.

2020220001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808247.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2020220001222 its reverse (2221000220202), we get a palindrome (4241220221424).

The spelling of 2020220001222 in words is "two trillion, twenty billion, two hundred twenty million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 210773 421546 632319 1264638 1597469 3194938 4792407 9584814 336703333537 673406667074 1010110000611 2020220001222