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2020424100631 is a prime number
BaseRepresentation
bin11101011001101010101…
…010010010101100010111
321011011001211101122220121
4131121222222102230113
5231100312032210011
64144100420212411
7265653664331656
oct35315252225427
97134054348817
102020424100631
117099478069a2
122876a3b3a107
131186a9a6b311
146db0921119d
15378510bce71
hex1d66aa92b17

2020424100631 has 2 divisors, whose sum is σ = 2020424100632. Its totient is φ = 2020424100630.

The previous prime is 2020424100451. The next prime is 2020424100637. The reversal of 2020424100631 is 1360014240202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020424100631 - 219 = 2020423576343 is a prime.

It is a super-2 number, since 2×20204241006312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020424100596 and 2020424100605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020424100637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010212050315 + 1010212050316.

It is an arithmetic number, because the mean of its divisors is an integer number (1010212050316).

Almost surely, 22020424100631 is an apocalyptic number.

2020424100631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020424100631 is an equidigital number, since it uses as much as digits as its factorization.

2020424100631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2020424100631 its reverse (1360014240202), we get a palindrome (3380438340833).

The spelling of 2020424100631 in words is "two trillion, twenty billion, four hundred twenty-four million, one hundred thousand, six hundred thirty-one".