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20004024031 is a prime number
BaseRepresentation
bin10010101000010101…
…010010111011011111
31220122010002201011221
4102220111102323133
5311432012232111
613104551354211
71305501253525
oct225025227337
956563081157
1020004024031
118535828372
123a63382967
131b6a486414
14d7aa52315
157c12b3371
hex4a8552edf

20004024031 has 2 divisors, whose sum is σ = 20004024032. Its totient is φ = 20004024030.

The previous prime is 20004023969. The next prime is 20004024091. The reversal of 20004024031 is 13042040002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20004024031 - 213 = 20004015839 is a prime.

It is a super-2 number, since 2×200040240312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20004023996 and 20004024014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20004024091) 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 as a sum of consecutive naturals, namely, 10002012015 + 10002012016.

It is an arithmetic number, because the mean of its divisors is an integer number (10002012016).

Almost surely, 220004024031 is an apocalyptic number.

20004024031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004024031 is an equidigital number, since it uses as much as digits as its factorization.

20004024031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20004024031 its reverse (13042040002), we get a palindrome (33046064033).

The spelling of 20004024031 in words is "twenty billion, four million, twenty-four thousand, thirty-one".