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20032211001 = 3111722100473
BaseRepresentation
bin10010101010000000…
…110100100000111001
31220201002010202102210
4102222000310200321
5312011221223001
613111435445333
71306262661345
oct225200644071
956632122383
1020032211001
11854a72a690
123a708b6849
131b732750ba
14d806ac625
157c39cedd6
hex4aa034839

20032211001 has 24 divisors (see below), whose sum is σ = 30952584864. Its totient is φ = 11426567680.

The previous prime is 20032210997. The next prime is 20032211011. The reversal of 20032211001 is 10011223002.

It is not a de Polignac number, because 20032211001 - 22 = 20032210997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20032211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040700 + ... + 1059773.

It is an arithmetic number, because the mean of its divisors is an integer number (1289691036).

Almost surely, 220032211001 is an apocalyptic number.

It is an amenable number.

20032211001 is a deficient number, since it is larger than the sum of its proper divisors (10920373863).

20032211001 is a wasteful number, since it uses less digits than its factorization.

20032211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100521 (or 2100504 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20032211001 its reverse (10011223002), we get a palindrome (30043434003).

The spelling of 20032211001 in words is "twenty billion, thirty-two million, two hundred eleven thousand, one".

Divisors: 1 3 11 17 33 51 187 289 561 867 3179 9537 2100473 6301419 23105203 35708041 69315609 107124123 392788451 607036697 1178365353 1821110091 6677403667 20032211001