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1020221120076 = 223776111095443
BaseRepresentation
bin11101101100010011110…
…10101101111001001100
310121112100222000202110020
432312021322231321030
5113203403101320301
62100403315142140
7133465013302614
oct16661172557114
93545328022406
101020221120076
11363745252784
12145885ba4950
137528b713952
1437543c4ba44
151b811b0e436
hexed89eade4c

1020221120076 has 24 divisors (see below), whose sum is σ = 2380548792384. Its totient is φ = 340069014480.

The previous prime is 1020221120057. The next prime is 1020221120077. The reversal of 1020221120076 is 6700211220201.

It is a super-2 number, since 2×10202211200762 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020221120077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383611 + ... + 1479053.

It is an arithmetic number, because the mean of its divisors is an integer number (99189533016).

Almost surely, 21020221120076 is an apocalyptic number.

It is an amenable number.

1020221120076 is an abundant number, since it is smaller than the sum of its proper divisors (1360327672308).

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

1020221120076 is a wasteful number, since it uses less digits than its factorization.

1020221120076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173061 (or 1173059 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 1020221120076 its reverse (6700211220201), we get a palindrome (7720432340277).

The spelling of 1020221120076 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred twenty thousand, seventy-six".

Divisors: 1 2 3 4 6 12 77611 155222 232833 310444 465666 931332 1095443 2190886 3286329 4381772 6572658 13145316 85018426673 170036853346 255055280019 340073706692 510110560038 1020221120076