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1233310220020 = 225191332234977
BaseRepresentation
bin10001111100100111000…
…001000111111011110100
311100220101111202121120001
4101330213001013323310
5130201304404020040
62342324102121044
7155050401621064
oct21744701077364
94326344677501
101233310220020
1143605351544a
1217b035120184
138c3ba6ccb78
144399a44d3a4
152213423559a
hex11f27047ef4

1233310220020 has 24 divisors (see below), whose sum is σ = 2591305411464. Its totient is φ = 493066192896.

The previous prime is 1233310220011. The next prime is 1233310220029. The reversal of 1233310220020 is 200220133321.

It is an interprime number because it is at equal distance from previous prime (1233310220011) and next prime (1233310220029).

It can be written as a sum of positive squares in 4 ways, for example, as 227906940816 + 1005403279204 = 477396^2 + 1002698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1233310220020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233310220029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16079229 + ... + 16155748.

It is an arithmetic number, because the mean of its divisors is an integer number (107971058811).

Almost surely, 21233310220020 is an apocalyptic number.

1233310220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233310220020 is an abundant number, since it is smaller than the sum of its proper divisors (1357995191444).

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

1233310220020 is a wasteful number, since it uses less digits than its factorization.

1233310220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32236899 (or 32236897 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1233310220020 its reverse (200220133321), we get a palindrome (1433530353341).

The spelling of 1233310220020 in words is "one trillion, two hundred thirty-three billion, three hundred ten million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 1913 3826 7652 9565 19130 38260 32234977 64469954 128939908 161174885 322349770 644699540 61665511001 123331022002 246662044004 308327555005 616655110010 1233310220020