420551034 has 16 divisors (see below), whose sum is σ = 852949440. Its totient is φ = 138209120.

The previous prime is 420551023. The next prime is 420551039. The reversal of 420551034 is 430155024.

It is a junction number, because it is equal to n+sod(n) for n = 420550995 and 420551013.

It is not an unprimeable number, because it can be changed into a prime (420551039) 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 7 ways as a sum of consecutive naturals, for example, 493179 + ... + 494030.

It is an arithmetic number, because the mean of its divisors is an integer number (53309340).

Almost surely, 2^420551034 is an apocalyptic number.

420551034 is an abundant number, since it is smaller than the sum of its proper divisors (432398406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420551034 is a wasteful number, since it uses less digits than its factorization.

420551034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987285.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 420551034 is about 20507.3409782936. The cubic root of 420551034 is about 749.2146053830.

The spelling of 420551034 in words is "four hundred twenty million, five hundred fifty-one thousand, thirty-four".