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220011110202020 = 22511000555510101
BaseRepresentation
bin110010000001100101010100…
…000100011111101010100100
31001211222212010112220022012212
4302001211110010133222210
5212314130223202431040
62055531413025502552
764225164260445104
oct6201452404375244
91054885115808185
10220011110202020
1164114208038625
12208137637a1a58
13959bc60273547
143c4884763b204
151a67ed94d1d65
hexc8195411faa4

220011110202020 has 12 divisors (see below), whose sum is σ = 462023331424284. Its totient is φ = 88004444080800.

The previous prime is 220011110202017. The next prime is 220011110202047. The reversal of 220011110202020 is 20202011110022.

It can be written as a sum of positive squares in 2 ways, for example, as 174480005791744 + 45531104410276 = 13209088^2 + 6747674^2 .

It is a super-2 number, since 2×2200111102020202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220011110201986 and 220011110202004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500277755031 + ... + 5500277755070.

It is an arithmetic number, because the mean of its divisors is an integer number (38501944285357).

Almost surely, 2220011110202020 is an apocalyptic number.

220011110202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011110202020 is an abundant number, since it is smaller than the sum of its proper divisors (242012221222264).

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

220011110202020 is a wasteful number, since it uses less digits than its factorization.

220011110202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000555510110 (or 11000555510108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220011110202020 its reverse (20202011110022), we get a palindrome (240213121312042).

The spelling of 220011110202020 in words is "two hundred twenty trillion, eleven billion, one hundred ten million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 11000555510101 22001111020202 44002222040404 55002777550505 110005555101010 220011110202020