420554151 has 12 divisors (see below), whose sum is σ = 639439320. Its totient is φ = 265613040.

The previous prime is 420554137. The next prime is 420554213. The reversal of 420554151 is 151455024.

It is not a de Polignac number, because 420554151 - 2⁵ = 420554119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420554851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1229520 + ... + 1229861.

It is an arithmetic number, because the mean of its divisors is an integer number (53286610).

Almost surely, 2^420554151 is an apocalyptic number.

420554151 is a deficient number, since it is larger than the sum of its proper divisors (218885169).

420554151 is a wasteful number, since it uses less digits than its factorization.

420554151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459406 (or 2459403 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 420554151 is about 20507.4169753287. The cubic root of 420554151 is about 749.2164563642.

The spelling of 420554151 in words is "four hundred twenty million, five hundred fifty-four thousand, one hundred fifty-one".