420120331001 has 16 divisors (see below), whose sum is σ = 493039693440. Its totient is φ = 350548231680.

The previous prime is 420120330991. The next prime is 420120331069. The reversal of 420120331001 is 100133021024.

It is a cyclic number.

It is not a de Polignac number, because 420120331001 - 2¹⁸ = 420120068857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420120331601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5030171 + ... + 5113008.

It is an arithmetic number, because the mean of its divisors is an integer number (30814980840).

Almost surely, 2^420120331001 is an apocalyptic number.

It is an amenable number.

420120331001 is a deficient number, since it is larger than the sum of its proper divisors (72919362439).

420120331001 is a wasteful number, since it uses less digits than its factorization.

420120331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143344.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 420120331001 its reverse (100133021024), we get a palindrome (520253352025).

The spelling of 420120331001 in words is "four hundred twenty billion, one hundred twenty million, three hundred thirty-one thousand, one".