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20201120200331 = 719536134675063
BaseRepresentation
bin1001001011111011100001…
…00101111111011010001011
32122112012121210121021010022
410211331300211333122023
510121433343232402311
6110544133322011055
74153324406354030
oct445756045773213
978465553537108
1020201120200331
116489279790334
122323142346a8b
13b36c5a707235
144dba4d019387
152507268315db
hex125f7097f68b

20201120200331 has 32 divisors (see below), whose sum is σ = 24801027517440. Its totient is φ = 16068150693504.

The previous prime is 20201120200319. The next prime is 20201120200363. The reversal of 20201120200331 is 13300202110202.

It is a de Polignac number, because none of the positive numbers 2k-20201120200331 is a prime.

It is a super-2 number, since 2×202011202003312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201120200031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983506 + ... + 6658568.

It is an arithmetic number, because the mean of its divisors is an integer number (775032109920).

Almost surely, 220201120200331 is an apocalyptic number.

20201120200331 is a deficient number, since it is larger than the sum of its proper divisors (4599907317109).

20201120200331 is a wasteful number, since it uses less digits than its factorization.

20201120200331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675755.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20201120200331 its reverse (13300202110202), we get a palindrome (33501322310533).

The spelling of 20201120200331 in words is "twenty trillion, two hundred one billion, one hundred twenty million, two hundred thousand, three hundred thirty-one".

Divisors: 1 7 19 53 133 371 613 1007 4291 7049 11647 32489 81529 227423 617291 4321037 4675063 32725441 88826197 247778339 621783379 1734448373 2865813619 4707788441 20060695333 32954519087 54450458761 151888121807 381153211327 1063216852649 2885874314333 20201120200331