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202012201000220 = 225132265134301797
BaseRepresentation
bin101101111011101010100001…
…011110110001110100011100
3222111021011210121210221100112
4231323222201132301310130
5202434231441424001340
61553351042440145152
760356620442521022
oct5573524136616434
9874234717727315
10202012201000220
1159404991021196
121a7a73994681b8
1388948905023c0
1437c562aa94712
151854c03293065
hexb7baa17b1d1c

202012201000220 has 48 divisors (see below), whose sum is σ = 456878545038048. Its totient is φ = 74585825222400.

The previous prime is 202012201000201. The next prime is 202012201000223. The reversal of 202012201000220 is 22000102210202.

It is a junction number, because it is equal to n+sod(n) for n = 202012201000195 and 202012201000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012201000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11261639 + ... + 23040158.

It is an arithmetic number, because the mean of its divisors is an integer number (9518303021626).

Almost surely, 2202012201000220 is an apocalyptic number.

202012201000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012201000220 is an abundant number, since it is smaller than the sum of its proper divisors (254866344037828).

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

202012201000220 is a wasteful number, since it uses less digits than its factorization.

202012201000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34324470 (or 34324468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202012201000220 its reverse (22000102210202), we get a palindrome (224012303210422).

The spelling of 202012201000220 in words is "two hundred two trillion, twelve billion, two hundred one million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 22651 45302 90604 113255 226510 294463 453020 588926 1177852 1472315 2944630 5889260 34301797 68603594 137207188 171508985 343017970 445923361 686035940 891846722 1783693444 2229616805 4459233610 8918467220 776970003847 1553940007694 3107880015388 3884850019235 7769700038470 10100610050011 15539400076940 20201220100022 40402440200044 50503050250055 101006100500110 202012201000220