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1320233040220 = 225371784098703
BaseRepresentation
bin10011001101100100000…
…001010111100101011100
311200012202022101101120011
4103031210001113211130
5133112314124241340
62450301235533004
7164245414453003
oct23154401274534
94605668341504
101320233040220
114699a9150836
12193a5345a164
1397660b570a3
1447c847b3c3a
15245203750ea
hex1336405795c

1320233040220 has 24 divisors (see below), whose sum is σ = 2847421531584. Its totient is φ = 513820426176.

The previous prime is 1320233040179. The next prime is 1320233040227. The reversal of 1320233040220 is 220403320231.

It is a junction number, because it is equal to n+sod(n) for n = 1320233040191 and 1320233040200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320233040227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892048612 + ... + 892050091.

It is an arithmetic number, because the mean of its divisors is an integer number (118642563816).

Almost surely, 21320233040220 is an apocalyptic number.

1320233040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320233040220 is an abundant number, since it is smaller than the sum of its proper divisors (1527188491364).

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

1320233040220 is a wasteful number, since it uses less digits than its factorization.

1320233040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784098749 (or 1784098747 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1320233040220 its reverse (220403320231), we get a palindrome (1540636360451).

The spelling of 1320233040220 in words is "one trillion, three hundred twenty billion, two hundred thirty-three million, forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1784098703 3568197406 7136394812 8920493515 17840987030 35681974060 66011652011 132023304022 264046608044 330058260055 660116520110 1320233040220