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202012033020220 = 22569499145334489
BaseRepresentation
bin101101111011101010010111…
…011101111111000100111100
3222111021011100220201200010001
4231323222113131333010330
5202434231120423121340
61553351014035524044
760356613332644303
oct5573522735770474
9874234326650101
10202012033020220
1159404905219345
121a7a7351159624
138894864779657
1437c561264943a
151854be366129a
hexb7ba9777f13c

202012033020220 has 24 divisors (see below), whose sum is σ = 424231376310000. Its totient is φ = 80803649976192.

The previous prime is 202012033020197. The next prime is 202012033020227. The reversal of 202012033020220 is 22020330210202.

It is a super-2 number, since 2×2020120330202202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012033020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71277265 + ... + 74057224.

It is an arithmetic number, because the mean of its divisors is an integer number (17676307346250).

Almost surely, 2202012033020220 is an apocalyptic number.

202012033020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012033020220 is an abundant number, since it is smaller than the sum of its proper divisors (222219343289780).

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

202012033020220 is a wasteful number, since it uses less digits than its factorization.

202012033020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145403997 (or 145403995 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 202012033020220 its reverse (22020330210202), we get a palindrome (224032363230422).

The spelling of 202012033020220 in words is "two hundred two trillion, twelve billion, thirty-three million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 69499 138998 277996 347495 694990 1389980 145334489 290668978 581337956 726672445 1453344890 2906689780 10100601651011 20201203302022 40402406604044 50503008255055 101006016510110 202012033020220