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20031202032 = 243417316709
BaseRepresentation
bin10010101001111100…
…111110001011110000
31220201000020111101120
4102221330332023300
5312010441431112
613111402102240
71306251256632
oct225174761360
956630214346
1020031202032
11854a100626
123a704aa980
131b72cb0a8a
14d804c8a52
157c3880e8c
hex4a9f3e2f0

20031202032 has 20 divisors (see below), whose sum is σ = 51747272040. Its totient is φ = 6677067328.

The previous prime is 20031202027. The next prime is 20031202039. The reversal of 20031202032 is 23020213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031202039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208658307 + ... + 208658402.

It is an arithmetic number, because the mean of its divisors is an integer number (2587363602).

Almost surely, 220031202032 is an apocalyptic number.

It is an amenable number.

20031202032 is an abundant number, since it is smaller than the sum of its proper divisors (31716070008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20031202032 is a wasteful number, since it uses less digits than its factorization.

20031202032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417316720 (or 417316714 counting only the distinct ones).

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

Adding to 20031202032 its reverse (23020213002), we get a palindrome (43051415034).

The spelling of 20031202032 in words is "twenty billion, thirty-one million, two hundred two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 417316709 834633418 1251950127 1669266836 2503900254 3338533672 5007800508 6677067344 10015601016 20031202032