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22130221101020 = 22537931226323789
BaseRepresentation
bin1010000100000100101111…
…11101111010111111011100
32220100121222011021200211022
411002002113331322333130
510400040143100213040
6115022252213143312
74442566336434464
oct502022775727734
986317864250738
1022130221101020
11706241297246a
122594b9a32ab38
13c46b42484526
145671736ccba4
152859d02ed6b5
hex142097f7afdc

22130221101020 has 48 divisors (see below), whose sum is σ = 46491461714880. Its totient is φ = 8848661001216.

The previous prime is 22130221100927. The next prime is 22130221101047. The reversal of 22130221101020 is 2010112203122.

It is a super-2 number, since 2×221302211010202 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22130221101020.

It is a congruent number.

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, 930259286 + ... + 930283074.

It is an arithmetic number, because the mean of its divisors is an integer number (968572119060).

Almost surely, 222130221101020 is an apocalyptic number.

22130221101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130221101020 is an abundant number, since it is smaller than the sum of its proper divisors (24361240613860).

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

22130221101020 is a wasteful number, since it uses less digits than its factorization.

22130221101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39854 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22130221101020 its reverse (2010112203122), we get a palindrome (24140333304142).

The spelling of 22130221101020 in words is "twenty-two trillion, one hundred thirty billion, two hundred twenty-one million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 3793 7586 12263 15172 18965 23789 24526 37930 47578 49052 61315 75860 95156 118945 122630 237890 245260 475780 46513559 90231677 93027118 180463354 186054236 232567795 291724507 360926708 451158385 465135590 583449014 902316770 930271180 1166898028 1458622535 1804633540 2917245070 5834490140 1106511055051 2213022110102 4426044220204 5532555275255 11065110550510 22130221101020