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20330211101 = 434746121821
BaseRepresentation
bin10010111011110001…
…100110011100011101
31221110211212201201112
4102323301212130131
5313114013223401
613201202551405
71316541641324
oct227361463435
957424781645
1020330211101
118692968562
123b34668565
131bbcc22815
14dac0c10bb
157dec463bb
hex4bbc6671d

20330211101 has 16 divisors (see below), whose sum is σ = 21292685568. Its totient is φ = 19391870400.

The previous prime is 20330211079. The next prime is 20330211103. The reversal of 20330211101 is 10111203302.

It is a cyclic number.

It is not a de Polignac number, because 20330211101 - 222 = 20326016797 is a prime.

It is a super-2 number, since 2×203302111012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330211103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920771 + ... + 942591.

It is an arithmetic number, because the mean of its divisors is an integer number (1330792848).

Almost surely, 220330211101 is an apocalyptic number.

It is an amenable number.

20330211101 is a deficient number, since it is larger than the sum of its proper divisors (962474467).

20330211101 is a wasteful number, since it uses less digits than its factorization.

20330211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22372.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20330211101 its reverse (10111203302), we get a palindrome (30441414403).

The spelling of 20330211101 in words is "twenty billion, three hundred thirty million, two hundred eleven thousand, one hundred one".

Divisors: 1 43 47 461 2021 19823 21667 21821 931681 938303 1025587 10059481 44100241 432557683 472795607 20330211101