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1220210220202 = 23475101344683
BaseRepresentation
bin10001110000011010001…
…100100101110010101010
311022122120112210200010121
4101300122030211302222
5124442442304021302
62332320135433454
7154104642511561
oct21603214456252
94278515720117
101220210220202
11430540949716
12178599b2588a
138b0b06b779c
14430b66d2bd8
1521b1912de37
hex11c1a325caa

1220210220202 has 16 divisors (see below), whose sum is σ = 1835955189792. Its totient is φ = 608225857200.

The previous prime is 1220210220143. The next prime is 1220210220211. The reversal of 1220210220202 is 2020220120221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3367753 + ... + 3712435.

It is an arithmetic number, because the mean of its divisors is an integer number (114747199362).

Almost surely, 21220210220202 is an apocalyptic number.

1220210220202 is a deficient number, since it is larger than the sum of its proper divisors (615744969590).

1220210220202 is a wasteful number, since it uses less digits than its factorization.

1220210220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350133.

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

Adding to 1220210220202 its reverse (2020220120221), we get a palindrome (3240430340423).

The spelling of 1220210220202 in words is "one trillion, two hundred twenty billion, two hundred ten million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 347 694 5101 10202 344683 689366 1770047 3540094 119605001 239210002 1758227983 3516455966 610105110101 1220210220202