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202020110222020 = 225591069160152931
BaseRepresentation
bin101101111011110001111000…
…111010000100001011000100
3222111021221012211102000222021
4231323301320322010023010
5202434344141204101040
61553354431334212524
760360320442014506
oct5573617072041304
9874257184360867
10202020110222020
115940827a626632
121a7a8a261b4144
138895550cb02bc
1437c5b7b28bd76
15185501780b24a
hexb7bc78e842c4

202020110222020 has 48 divisors (see below), whose sum is σ = 431836365844800. Its totient is φ = 79364104767360.

The previous prime is 202020110221997. The next prime is 202020110222023. The reversal of 202020110222020 is 20222011020202.

202020110222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202020110221985 and 202020110222003.

It is not an unprimeable number, because it can be changed into a prime (202020110222023) 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, 78815046 + ... + 81337885.

It is an arithmetic number, because the mean of its divisors is an integer number (8996590955100).

Almost surely, 2202020110222020 is an apocalyptic number.

202020110222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020110222020 is an abundant number, since it is smaller than the sum of its proper divisors (229816255622780).

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

202020110222020 is a wasteful number, since it uses less digits than its factorization.

202020110222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160154068 (or 160154066 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202020110222020 its reverse (20222011020202), we get a palindrome (222242121242222).

The spelling of 202020110222020 in words is "two hundred two trillion, twenty billion, one hundred ten million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1069 1180 2138 4276 5345 10690 21380 63071 126142 252284 315355 630710 1261420 160152931 320305862 640611724 800764655 1601529310 3203058620 9449022929 18898045858 37796091716 47245114645 94490229290 171203483239 188980458580 342406966478 684813932956 856017416195 1712034832390 3424069664780 10101005511101 20202011022202 40404022044404 50505027555505 101010055111010 202020110222020