10020440431999 has 2 divisors, whose sum is σ = 10020440432000. Its totient is φ = 10020440431998.

The previous prime is 10020440431997. The next prime is 10020440432021. The reversal of 10020440431999 is 99913404402001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020440431999 - 2¹ = 10020440431997 is a prime.

Together with 10020440431997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020440431997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010220215999 + 5010220216000.

It is an arithmetic number, because the mean of its divisors is an integer number (5010220216000).

Almost surely, 2^{10020440431999} is an apocalyptic number.

10020440431999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020440431999 is an equidigital number, since it uses as much as digits as its factorization.

10020440431999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 10020440431999 in words is "ten trillion, twenty billion, four hundred forty million, four hundred thirty-one thousand, nine hundred ninety-nine".