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20000202024220 = 22511210181827191
BaseRepresentation
bin1001000110000101010001…
…11011111110010100011100
32121211000000110121101210021
410203002220323332110130
510110140403204233340
6110311544352121524
74132652436136525
oct443025073762434
977730013541707
1020000202024220
116411046702900
1222b020b2362a4
13b2101b0c94b2
144d202d00984c
1524a3b798ee4a
hex1230a8efe51c

20000202024220 has 72 divisors (see below), whose sum is σ = 46622842840224. Its totient is φ = 7200792720000.

The previous prime is 20000202024211. The next prime is 20000202024227. The reversal of 20000202024220 is 2242020200002.

It is a super-2 number, since 2×200002020242202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000202024194 and 20000202024203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000202024227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40669176 + ... + 41158015.

It is an arithmetic number, because the mean of its divisors is an integer number (647539483892).

Almost surely, 220000202024220 is an apocalyptic number.

20000202024220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000202024220 is an abundant number, since it is smaller than the sum of its proper divisors (26622640816004).

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

20000202024220 is a wasteful number, since it uses less digits than its factorization.

20000202024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81827323 (or 81827310 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20000202024220 its reverse (2242020200002), we get a palindrome (22242222224222).

The spelling of 20000202024220 in words is "twenty trillion, two hundred two million, twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 121 202 220 242 404 484 505 605 1010 1111 1210 2020 2222 2420 4444 5555 11110 12221 22220 24442 48884 61105 122210 244420 81827191 163654382 327308764 409135955 818271910 900099101 1636543820 1800198202 3600396404 4500495505 8264546291 9000991010 9901090111 16529092582 18001982020 19802180222 33058185164 39604360444 41322731455 49505450555 82645462910 90910009201 99010901110 165290925820 181820018402 198021802220 363640036804 454550046005 909100092010 1000010101211 1818200184020 2000020202422 4000040404844 5000050506055 10000101012110 20000202024220