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20202020020031 is a prime number
BaseRepresentation
bin1001001011111101001100…
…01110100001111100111111
32122112021221111202211200212
410211332212032201330333
510121442214111120111
6110544402504143035
74153355613612053
oct445764616417477
978467844684625
1020202020020031
1164896a06aa183
122323353767a7b
13b37071c69825
144dbad6729c63
1525077a82498b
hex125fa63a1f3f

20202020020031 has 2 divisors, whose sum is σ = 20202020020032. Its totient is φ = 20202020020030.

The previous prime is 20202020019953. The next prime is 20202020020033. The reversal of 20202020020031 is 13002002020202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202020020031 - 214 = 20202020003647 is a prime.

It is a super-2 number, since 2×202020200200312 (a number of 27 digits) contains 22 as substring.

Together with 20202020020033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202020019988 and 20202020020015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202020020033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101010010015 + 10101010010016.

It is an arithmetic number, because the mean of its divisors is an integer number (10101010010016).

Almost surely, 220202020020031 is an apocalyptic number.

20202020020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202020020031 is an equidigital number, since it uses as much as digits as its factorization.

20202020020031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20202020020031 its reverse (13002002020202), we get a palindrome (33204022040233).

The spelling of 20202020020031 in words is "twenty trillion, two hundred two billion, twenty million, twenty thousand, thirty-one".