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2020220001205 = 57252122895903
BaseRepresentation
bin11101011001011110011…
…111101101101110110101
321011010112121100100010121
4131121132133231232311
5231044402310014310
64144024245451541
7265645635451630
oct35313637555665
97133477310117
102020220001205
11709852583a8a
12287647710bb1
131186766aa123
146daca082c17
153783d2040da
hex1d65e7edbb5

2020220001205 has 16 divisors (see below), whose sum is σ = 2771686554624. Its totient is φ = 1384744152960.

The previous prime is 2020220001187. The next prime is 2020220001209. The reversal of 2020220001205 is 5021000220202.

It is not a de Polignac number, because 2020220001205 - 27 = 2020220001077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020220001209) 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, 11359717 + ... + 11536186.

It is an arithmetic number, because the mean of its divisors is an integer number (173230409664).

Almost surely, 22020220001205 is an apocalyptic number.

It is an amenable number.

2020220001205 is a deficient number, since it is larger than the sum of its proper divisors (751466553419).

2020220001205 is a wasteful number, since it uses less digits than its factorization.

2020220001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22898436.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 2020220001205 its reverse (5021000220202), we get a palindrome (7041220221407).

The spelling of 2020220001205 in words is "two trillion, twenty billion, two hundred twenty million, one thousand, two hundred five".

Divisors: 1 5 7 35 2521 12605 17647 88235 22895903 114479515 160271321 801356605 57720571463 288602857315 404044000241 2020220001205