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20404404222122 = 256831795214167
BaseRepresentation
bin1001010001110110001010…
…10000111111100010101010
32200020122100000100112121102
410220323011100333202222
510133301204440101442
6111221353124041402
74204112105134424
oct450730520774252
980218300315542
1020404404222122
116557506272728
122356615833262
13b50186202a6b
14507815317814
15255b7324e232
hex128ec543f8aa

20404404222122 has 8 divisors (see below), whose sum is σ = 30611991992736. Its totient is φ = 10200406891212.

The previous prime is 20404404222061. The next prime is 20404404222161. The reversal of 20404404222122 is 22122240440402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897595718 + ... + 897618449.

It is an arithmetic number, because the mean of its divisors is an integer number (3826498999092).

Almost surely, 220404404222122 is an apocalyptic number.

20404404222122 is a deficient number, since it is larger than the sum of its proper divisors (10207587770614).

20404404222122 is a wasteful number, since it uses less digits than its factorization.

20404404222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795219852.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 20404404222122 its reverse (22122240440402), we get a palindrome (42526644662524).

The spelling of 20404404222122 in words is "twenty trillion, four hundred four billion, four hundred four million, two hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 5683 11366 1795214167 3590428334 10202202111061 20404404222122