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2123021202220 = 225111795032283
BaseRepresentation
bin11110111001001101111…
…011001011001100101100
321111221212222221102210001
4132321031323023030230
5234240421411432340
64303145200154044
7306245305320142
oct36711573131454
97457788842701
102123021202220
11749406137946
122a3557608924
1312527a647659
1474a7d15b592
153a35831429a
hex1ee4decb32c

2123021202220 has 24 divisors (see below), whose sum is σ = 4462335927504. Its totient is φ = 848448213696.

The previous prime is 2123021202191. The next prime is 2123021202283. The reversal of 2123021202220 is 222021203212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47493802 + ... + 47538481.

It is an arithmetic number, because the mean of its divisors is an integer number (185930663646).

Almost surely, 22123021202220 is an apocalyptic number.

2123021202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123021202220 is an abundant number, since it is smaller than the sum of its proper divisors (2339314725284).

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

2123021202220 is a wasteful number, since it uses less digits than its factorization.

2123021202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95033409 (or 95033407 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2123021202220 its reverse (222021203212), we get a palindrome (2345042405432).

The spelling of 2123021202220 in words is "two trillion, one hundred twenty-three billion, twenty-one million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1117 2234 4468 5585 11170 22340 95032283 190064566 380129132 475161415 950322830 1900645660 106151060111 212302120222 424604240444 530755300555 1061510601110 2123021202220