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20022210012210 = 235795343857201
BaseRepresentation
bin1001000110101110010001…
…01101110010010000110010
32121220002211020112000201120
410203113020231302100302
510111020441230342320
6110330024251443110
74134362013015030
oct443271055622062
977802736460646
1020022210012210
11641a40a634a2a
1222b4531756496
13b231177b72b3
144d3119c69550
1524ac54b4a440
hex1235c8b72432

20022210012210 has 32 divisors (see below), whose sum is σ = 54918061748352. Its totient is φ = 4576505145600.

The previous prime is 20022210012173. The next prime is 20022210012227. The reversal of 20022210012210 is 1221001222002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022210012210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47671928391 + ... + 47671928810.

It is an arithmetic number, because the mean of its divisors is an integer number (1716189429636).

Almost surely, 220022210012210 is an apocalyptic number.

20022210012210 is an abundant number, since it is smaller than the sum of its proper divisors (34895851736142).

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

20022210012210 is a wasteful number, since it uses less digits than its factorization.

20022210012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95343857218.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20022210012210 its reverse (1221001222002), we get a palindrome (21243211234212).

The spelling of 20022210012210 in words is "twenty trillion, twenty-two billion, two hundred ten million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 95343857201 190687714402 286031571603 476719286005 572063143206 667407000407 953438572010 1334814000814 1430157858015 2002221001221 2860315716030 3337035002035 4004442002442 6674070004070 10011105006105 20022210012210