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202112022232220 = 22553190671719087
BaseRepresentation
bin101101111101000111011111…
…010010100011110010011100
3222111121201110100001221000012
4231331013133102203302130
5202442400410142412340
61553504551535422352
760400053216142022
oct5575073722436234
9874551410057005
10202112022232220
1159443255556241
121a8027b73849b8
1388a110ac7c959
1437ca3ba09c712
1518575e6969565
hexb7d1df4a3c9c

202112022232220 has 24 divisors (see below), whose sum is σ = 432443458891584. Its totient is φ = 79319435139776.

The previous prime is 202112022232139. The next prime is 202112022232231. The reversal of 202112022232220 is 22232220211202.

It is a super-2 number, since 2×2021120222322202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 95335858484 + ... + 95335860603.

It is an arithmetic number, because the mean of its divisors is an integer number (18018477453816).

Almost surely, 2202112022232220 is an apocalyptic number.

202112022232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112022232220 is an abundant number, since it is smaller than the sum of its proper divisors (230331436659364).

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

202112022232220 is a wasteful number, since it uses less digits than its factorization.

202112022232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190671719149 (or 190671719147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 202112022232220 its reverse (22232220211202), we get a palindrome (224344242443422).

The spelling of 202112022232220 in words is "two hundred two trillion, one hundred twelve billion, twenty-two million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 190671719087 381343438174 762686876348 953358595435 1906717190870 3813434381740 10105601111611 20211202223222 40422404446444 50528005558055 101056011116110 202112022232220