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20032223001 = 376725755399
BaseRepresentation
bin10010101010000000…
…110111011100011001
31220201002011100220020
4102222000313130121
5312011222114001
613111440021053
71306263041340
oct225200673431
956632140806
1020032223001
11854a7386aa
123a70901789
131b7327a6bb
14d806b2b57
157c39d3736
hex4aa037719

20032223001 has 32 divisors (see below), whose sum is σ = 31102003200. Its totient is φ = 11232055296.

The previous prime is 20032222999. The next prime is 20032223009. The reversal of 20032223001 is 10032223002.

It is not a de Polignac number, because 20032223001 - 21 = 20032222999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20032223009) 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, 333900 + ... + 389298.

It is an arithmetic number, because the mean of its divisors is an integer number (971937600).

Almost surely, 220032223001 is an apocalyptic number.

20032223001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20032223001 is a deficient number, since it is larger than the sum of its proper divisors (11069780199).

20032223001 is a wasteful number, since it uses less digits than its factorization.

20032223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55733.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20032223001 its reverse (10032223002), we get a palindrome (30064446003).

Subtracting from 20032223001 its reverse (10032223002), we obtain a palindrome (9999999999).

The spelling of 20032223001 in words is "twenty billion, thirty-two million, two hundred twenty-three thousand, one".

Divisors: 1 3 7 21 67 201 257 469 771 1407 1799 5397 17219 51657 55399 120533 166197 361599 387793 1163379 3711733 11135199 14237543 25982131 42712629 77946393 99662801 298988403 953915381 2861746143 6677407667 20032223001