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2120220020331 = 32753634986529
BaseRepresentation
bin11110110110100110111…
…101100000111001101011
321111200122210000122121200
4132312212331200321223
5234214202311122311
64302003213135243
7306116012550120
oct36664675407153
97450583018550
102120220020331
117481a8a22496
122a2ab548a523
13124c221c548a
147489510a747
153a242444556
hex1eda6f60e6b

2120220020331 has 24 divisors (see below), whose sum is σ = 3566084352480. Its totient is φ = 1188694780416.

The previous prime is 2120220020287. The next prime is 2120220020383. The reversal of 2120220020331 is 1330200220212.

2120220020331 is a `hidden beast` number, since 212 + 0 + 220 + 0 + 203 + 31 = 666.

It is not a de Polignac number, because 2120220020331 - 211 = 2120220018283 is a prime.

It is a super-2 number, since 2×21202200203312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120220020131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317489926 + ... + 317496603.

It is an arithmetic number, because the mean of its divisors is an integer number (148586848020).

Almost surely, 22120220020331 is an apocalyptic number.

2120220020331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2120220020331 is a deficient number, since it is larger than the sum of its proper divisors (1445864332149).

2120220020331 is a wasteful number, since it uses less digits than its factorization.

2120220020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634986595 (or 634986592 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2120220020331 its reverse (1330200220212), we get a palindrome (3450420240543).

The spelling of 2120220020331 in words is "two trillion, one hundred twenty billion, two hundred twenty million, twenty thousand, three hundred thirty-one".

Divisors: 1 3 7 9 21 53 63 159 371 477 1113 3339 634986529 1904959587 4444905703 5714878761 13334717109 33654286037 40004151327 100962858111 235580002259 302888574333 706740006777 2120220020331