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20023011032 = 2312791956901
BaseRepresentation
bin10010101001011101…
…101110011011011000
31220200102211100110012
4102221131232123120
5312001342323112
613110510341052
71306121533313
oct225135563330
956612740405
1020023011032
118545516602
123a697ba788
131b713a372b
14d7d39597a
157c2cb4022
hex4a976e6d8

20023011032 has 16 divisors (see below), whose sum is σ = 37572518400. Its totient is φ = 10003672800.

The previous prime is 20023011023. The next prime is 20023011059. The reversal of 20023011032 is 23011032002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20023010998 and 20023011016.

It is a congruent number.

It is an unprimeable number.

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, 968219 + ... + 988682.

It is an arithmetic number, because the mean of its divisors is an integer number (2348282400).

Almost surely, 220023011032 is an apocalyptic number.

It is an amenable number.

20023011032 is a deficient number, since it is larger than the sum of its proper divisors (17549507368).

20023011032 is a wasteful number, since it uses less digits than its factorization.

20023011032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958186 (or 1958182 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20023011032 its reverse (23011032002), we get a palindrome (43034043034).

The spelling of 20023011032 in words is "twenty billion, twenty-three million, eleven thousand, thirty-two".

Divisors: 1 2 4 8 1279 2558 5116 10232 1956901 3913802 7827604 15655208 2502876379 5005752758 10011505516 20023011032