Search a number
-
+
22210120120020 = 2235752881238381
BaseRepresentation
bin1010000110011001100100…
…10100011111011011010100
32220122021012110101101221020
411003030302110133123110
510402342311222320040
6115123104402321140
74451425324050030
oct503146224373324
986567173341836
1022210120120020
117093293877a78
1225a85783591b0
13c515366c1171
1456ad92c9d1c0
15287b099c1cd0
hex14333251f6d4

22210120120020 has 48 divisors (see below), whose sum is σ = 71072384385408. Its totient is φ = 5076598884480.

The previous prime is 22210120120007. The next prime is 22210120120037. The reversal of 22210120120020 is 2002102101222.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 26440618771 + ... + 26440619610.

It is an arithmetic number, because the mean of its divisors is an integer number (1480674674696).

Almost surely, 222210120120020 is an apocalyptic number.

22210120120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210120120020 is an abundant number, since it is smaller than the sum of its proper divisors (48862264265388).

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

22210120120020 is a wasteful number, since it uses less digits than its factorization.

22210120120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52881238400 (or 52881238398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22210120120020 its reverse (2002102101222), we get a palindrome (24212222221242).

The spelling of 22210120120020 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty million, one hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 52881238381 105762476762 158643715143 211524953524 264406191905 317287430286 370168668667 528812383810 634574860572 740337337334 793218575715 1057624767620 1110506006001 1480674674668 1586437151430 1850843343335 2221012012002 3172874302860 3701686686670 4442024024004 5552530030005 7403373373340 11105060060010 22210120120020