420331242133401 has 4 divisors (see below), whose sum is σ = 560441656177872. Its totient is φ = 280220828088932.

The previous prime is 420331242133339. The next prime is 420331242133427. The reversal of 420331242133401 is 104331242133024.

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 420331242133401 - 2²² = 420331237939097 is a prime.

It is a super-2 number, since 2×420331242133401² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420331242133441) 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, 70055207022231 + ... + 70055207022236.

It is an arithmetic number, because the mean of its divisors is an integer number (140110414044468).

Almost surely, 2^{420331242133401} is an apocalyptic number.

It is an amenable number.

420331242133401 is a deficient number, since it is larger than the sum of its proper divisors (140110414044471).

420331242133401 is a wasteful number, since it uses less digits than its factorization.

420331242133401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140110414044470.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 420331242133401 its reverse (104331242133024), we get a palindrome (524662484266425).

The spelling of 420331242133401 in words is "four hundred twenty trillion, three hundred thirty-one billion, two hundred forty-two million, one hundred thirty-three thousand, four hundred one".