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220020120121010 = 251131238327075967
BaseRepresentation
bin110010000001101101101101…
…000110100110111010110010
31001212000201101110122121112012
4302001231231012212322302
5212314302201222333020
62055535503043402522
764225633453500356
oct6201555506467262
91055021343577465
10220020120121010
1164118010994070
1220815459083442
13959ca67ab7561
143c490600b5466
151a683654bc7c5
hexc81b6d1a6eb2

220020120121010 has 64 divisors (see below), whose sum is σ = 446163432505344. Its totient is φ = 77393941214400.

The previous prime is 220020120120961. The next prime is 220020120121013. The reversal of 220020120121010 is 10121021020022.

220020120121010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220020120121013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5411954 + ... + 21664013.

It is an arithmetic number, because the mean of its divisors is an integer number (6971303632896).

Almost surely, 2220020120121010 is an apocalyptic number.

220020120121010 is an abundant number, since it is smaller than the sum of its proper divisors (226143312384334).

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

220020120121010 is a wasteful number, since it uses less digits than its factorization.

220020120121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27078399.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220020120121010 its reverse (10121021020022), we get a palindrome (230141141141032).

The spelling of 220020120121010 in words is "two hundred twenty trillion, twenty billion, one hundred twenty million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 2383 3410 4766 11915 23830 26213 52426 73873 131065 147746 262130 369365 738730 812603 1625206 4063015 8126030 27075967 54151934 135379835 270759670 297835637 595671274 839354977 1489178185 1678709954 2978356370 4196774885 8393549770 9232904747 18465809494 46164523735 64522029361 92329047470 129044058722 322610146805 645220293610 709742322971 1419484645942 2000182910191 3548711614855 4000365820382 7097423229710 10000914550955 20001829101910 22002012012101 44004024024202 110010060060505 220020120121010