420520350041 has 4 divisors (see below), whose sum is σ = 458749472784. Its totient is φ = 382291227300.

The previous prime is 420520350037. The next prime is 420520350049. The reversal of 420520350041 is 140053025024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420520350041 - 2² = 420520350037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420520350049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19114561355 + ... + 19114561376.

It is an arithmetic number, because the mean of its divisors is an integer number (114687368196).

Almost surely, 2^420520350041 is an apocalyptic number.

It is an amenable number.

420520350041 is a deficient number, since it is larger than the sum of its proper divisors (38229122743).

420520350041 is a wasteful number, since it uses less digits than its factorization.

420520350041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38229122742.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 420520350041 its reverse (140053025024), we get a palindrome (560573375065).

The spelling of 420520350041 in words is "four hundred twenty billion, five hundred twenty million, three hundred fifty thousand, forty-one".