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1020233330221 = 7614575228239
BaseRepresentation
bin11101101100010101010…
…01010010111000101101
310121112101211000002121211
432312022221102320231
5113203414213031341
62100404432554421
7133465222135660
oct16661251227055
93545354002554
101020233330221
11363751132406
1214588a0b2a11
13752910ca4a1
14375457096d7
151b812c22181
hexed8aa52e2d

1020233330221 has 16 divisors (see below), whose sum is σ = 1187688824320. Its totient is φ = 858267550080.

The previous prime is 1020233330191. The next prime is 1020233330257. The reversal of 1020233330221 is 1220333320201.

It is a cyclic number.

It is not a de Polignac number, because 1020233330221 - 231 = 1018085846573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020233330192 and 1020233330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020233330261) 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, 2418981 + ... + 2809258.

It is an arithmetic number, because the mean of its divisors is an integer number (74230551520).

Almost surely, 21020233330221 is an apocalyptic number.

It is an amenable number.

1020233330221 is a deficient number, since it is larger than the sum of its proper divisors (167455494099).

1020233330221 is an equidigital number, since it uses as much as digits as its factorization.

1020233330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228764.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1020233330221 its reverse (1220333320201), we get a palindrome (2240566650422).

The spelling of 1020233330221 in words is "one trillion, twenty billion, two hundred thirty-three million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 7 61 427 457 3199 27877 195139 5228239 36597673 318922579 2232458053 2389305223 16725136561 145747618603 1020233330221