420545032 has 8 divisors (see below), whose sum is σ = 788521950. Its totient is φ = 210272512.

The previous prime is 420545023. The next prime is 420545033. The reversal of 420545032 is 230545024.

It can be written as a sum of positive squares in only one way, i.e., 399440196 + 21104836 = 19986^2 + 4594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 420544988 and 420545006.

It is not an unprimeable number, because it can be changed into a prime (420545033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26284057 + ... + 26284072.

Almost surely, 2^420545032 is an apocalyptic number.

It is an amenable number.

420545032 is a deficient number, since it is larger than the sum of its proper divisors (367976918).

420545032 is a wasteful number, since it uses less digits than its factorization.

420545032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52568135 (or 52568131 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 420545032 is about 20507.1946399306. The cubic root of 420545032 is about 749.2110411644.

The spelling of 420545032 in words is "four hundred twenty million, five hundred forty-five thousand, thirty-two".