Search a number
-
+
220021221210022 = 21265969493125053
BaseRepresentation
bin110010000001101110101110…
…101110111011011110100110
31001212000211020012112201200201
4302001232232232323132212
5212314311430112210042
62055540204215501114
764226002653550411
oct6201565656733646
91055024205481621
10220021221210022
1164118526482591
122081570598779a
13959cbb1c59b0b
143c49126418b78
151a683cbebb1b7
hexc81baebbb7a6

220021221210022 has 16 divisors (see below), whose sum is σ = 330065291634480. Its totient is φ = 109999457746272.

The previous prime is 220021221210019. The next prime is 220021221210023. The reversal of 220021221210022 is 220012122120022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021221210023) 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, 1759361248 + ... + 1759486300.

It is an arithmetic number, because the mean of its divisors is an integer number (20629080727155).

Almost surely, 2220021221210022 is an apocalyptic number.

220021221210022 is a deficient number, since it is larger than the sum of its proper divisors (110044070424458).

220021221210022 is a wasteful number, since it uses less digits than its factorization.

220021221210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207207.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220021221210022 its reverse (220012122120022), we get a palindrome (440033343330044).

The spelling of 220021221210022 in words is "two hundred twenty trillion, twenty-one billion, two hundred twenty-one million, two hundred ten thousand, twenty-two".

Divisors: 1 2 12659 25318 69493 125053 138986 250106 879711887 1583045927 1759423774 3166091854 8690308129 17380616258 110010610605011 220021221210022