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20023432024 = 2361128331981
BaseRepresentation
bin10010101001011111…
…010101001101011000
31220200110121201221111
4102221133111031120
5312001444311044
613110523350104
71306125235561
oct225137251530
956613551844
1020023432024
118545783932
123a69982334
131b714c023b
14d7d465168
157c2d48b34
hex4a97d5358

20023432024 has 32 divisors (see below), whose sum is σ = 38190345840. Its totient is φ = 9839606400.

The previous prime is 20023432021. The next prime is 20023432057. The reversal of 20023432024 is 42023432002.

It is a junction number, because it is equal to n+sod(n) for n = 20023431986 and 20023432004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023432021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610114 + ... + 642094.

Almost surely, 220023432024 is an apocalyptic number.

It is an amenable number.

20023432024 is a deficient number, since it is larger than the sum of its proper divisors (18166913816).

20023432024 is a wasteful number, since it uses less digits than its factorization.

20023432024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33331 (or 33327 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Subtracting from 20023432024 its sum of digits (22), we obtain a palindrome (20023432002).

Adding to 20023432024 its reverse (42023432002), we get a palindrome (62046864026).

The spelling of 20023432024 in words is "twenty billion, twenty-three million, four hundred thirty-two thousand, twenty-four".

Divisors: 1 2 4 8 61 122 244 488 1283 2566 5132 10264 31981 63962 78263 127924 156526 255848 313052 626104 1950841 3901682 7803364 15606728 41031623 82063246 164126492 328252984 2502929003 5005858006 10011716012 20023432024